"It's rare that the curriculum is so tight, and I finally got back to school, and it was the same as a holiday before."

"I wish all the classes were squeezed together, so that I could have two more days off, one or two classes a day, and a lot of temporary extra classes without saying hello in advance, which is really a headache."

"Yes, I feel the same way, I have to worry if I want to go out to play, for fear that a message will call me back."

"Going to the movies this week? I heard that a new interactive movie has been released, which seems to be science fiction. ”

"No, you still like this, I thought you would usually only watch some literary and artistic freshness."

"Literary and artistic young people are also full of yearning for the sky above their heads, how about it, do you have an appointment?"

"Yes, yes."

Among the girls on both sides, Chen Bo and Wang Xu did not exist at all, chatting about the topics of interest to themselves, Chen Bo elbowed the listless Wang Xu, and reminded the other party that it was time to change classrooms.

"It's not interesting in this class, it's better to have an interesting exam."

"I think it's good to go to class, it's better to take more classes and take fewer exams, my brain cells are running out of cells, and I've been starving lately." Chen Bo rubbed his lower abdomen.

Wang Xu glanced at it and said, "I haven't seen how thin you are, have you exercised?" ”

"No, I forgot, three minutes of heat." Chen Bo frankly admitted.

The next class is about the history of the development of counterfeit money, which belongs to the general knowledge category, does not require proficiency, only needs a rough understanding of it, Chen Bo likes this the most, and occasionally he does not panic.

"Today, I will give you a lesson, most of you are from the Keyboard Academy, some of you are from the Faculty of Arts, with a certain foundation, I believe that learning this course should be easy."

The teacher's voice opened his mouth to kneel, and the shrill smoke voice stimulated Chen Bo's goosebumps all over his body.

"You can't get used to this frequency?" Wang Xu noticed Chen Bo's abnormality.

"Almost, I can't stand the sound of foam board and sawing wood." Chen Bo covered his ears and lowered the volume of the outside world by a few notches.

"Anyway, this lesson is useless, it doesn't matter if you don't listen to it." Wang Xu shrugged, and before the class was over, the two of them entered a fugue state in advance.

"We all know that before the advent of electronic money, the problem of counterfeit money has been bothering people, thousands of years ago, our ancestors, like to use shells as currency, but this shell can be different from what we usually pick up, first of all, the number must be scarce, and secondly, it must be good-looking."

The teacher showed several pictures of shellfish currency excavated by archaeology, and she also emphasized that the Chinese civilization at that time mainly lived in the Yellow River Valley, and it was not easy to go to the sea to find this kind of shells, most of the time they were plundered from Dongyi, but the production relations at that time were not developed, most of them were in the form of barter, and it was okay if the shells were not enough.

"I think you're either skipping class, will you die on the spot if you do this?"

"It's not like a violent death, in fact, her voice is quite normal, not to that extent." Chen Bo slowly let go of the hand covering his ears, but he quickly covered it tightly.

"It's good that your hands aren't tired, I'm tired when I look at it, but I'm definitely skipping class."

"I'm not you." Chen Bo argued.

"You weren't like this before, you have found a lot of strange reasons for skipping class, you are in a bad mood after going to the toilet and not spilling into the hole, you are not suitable to go out today after reading the yellow calendar, and there must be a bad omen if you loosen your shoelaces to go to class."

"My grass, is it so outrageous...."Chen Bo felt very speechless, this dead fat man is too special to learn scum, studying here is a complete waste of resources, fortunately he didn't drop out, otherwise it would be more difficult to start.

Wang Xu didn't dwell on this topic, he waved his hand and said: "I don't remember, I should be impressed by Shibei for three days, let's not mention the ugly things in the past, we have to look forward to a bright future." ”

The teacher's unique voice overshadowed all the small movements in the classroom, and the courseware read out of her mouth, with a kind of singing charm.

"In the era of metal currency, the more famous is this five-baht coin, Emperor Wen of the Han Dynasty opened the right to mint coins, anyone, as long as you have the strength to go to the coinage, which leads to a situation, everyone wants to let their coins circulate in the market, so they are all working hard to make the coins look good and the weight is sufficient, this is a rare good currency to expel bad money."

"The side reflects that under the fully competitive market, consumers can get benefits, have the right to choose, and the right to speak is in our hands."

The teacher deviated a few words, and then pulled the topic back again, "It is more difficult to make counterfeit money during the metal currency period, because the value of the metal used to mint the currency itself is equivalent to the face value of the currency, and even if someone mints counterfeit money, it is not profitable. ”

"The trend was broken from Wang Mang's time, he issued a big five baht, only increased the weight by 5 times, but increased the face value of each new five baht by 50 times, which is equivalent to shrinking to the original 10%.

"The Roman Emperor Nero was also the top seed in the official fraud, he reduced the content of precious metals, mixed with other metals, and turned the original pure silver coins into silver-plated coins, at first the citizens of Rome did not realize it, after all, the two are equal in weight, until later a merchant wanted to smelt the silver coins into jewelry, this matter was revealed."

"The anti-counterfeiting of metal currency is actually very simple, only the official currency is sufficient and full, and it can completely block the way out of private minting, but not everyone is a saint, everyone is selfish, and the rules will rust and stagnate after a long time, especially after the qualitative leap in productivity, it is obviously unrealistic to use a large number of spot transactions for each trade."

"Students, imagine that if you are a businessman in the land of abundance, every time you go out of Sichuan and Chongqing by water to Xiangyang to purchase goods, you can't always bring a box of silver ingots and copper coins, in case you encounter any robbers along the way, or are detained by a red-eyed official, this journey is destined to be in vain."

"The emergence of silver tickets is also a product of the development of the times at that time, but counterfeit money naturally did not let go of this opportunity to transform, after all, the income of counterfeit silver tickets is much higher than the casting of inferior silver ingots, and counterfeit silver tickets only need to be reproduced with special paper engravings, and the cost can be said to be almost none."

Chen Bo didn't want to listen, because the people next to him started chattering again.

"Oh, you know what? The idol I fanned finally changed his agency. ”

"That garbage trainee company should have gone bankrupt a long time ago, it is a historical cancer, and it was on the thigh of the goose factory before, specializing in squeezing newcomers."

"I can't figure out why anyone would buy something like a poster."

"Don't you think the paper collection is memorable? I just like to buy it back and stick it in my room. ”

"I don't dare to do it, my parents will say it."

"My parents did the same when they were younger, and they understood me, haha."

"It's great, I don't even know if my parents had a childhood, and I feel that their brain circuits are different from others."

"Hey? Why are we surrounded again, these people want to chat why don't they sit together. Chen Bo didn't dare to twist his neck, so he had to roll his eyes and complain to Wang Xu in a low voice.

Wang Xu sighed and said: "It's still the same group of people, maybe it's because they think that distance produces beauty, I don't know." ”