In the era when there were no mobile phones, communication had to be done by writing letters, and it took a long time to communicate with each other.

Answered that sentence.

In the past, the carriage and horse were very slow, and there was only enough love for one person in a lifetime.

It makes sense to think about it.

If you are not in one place, it takes a lot of time just to exchange letters with each other.

In the age of mobile communication and the Internet, a phone call or a message can be conveyed to the other party extremely quickly.

The wireless network is well developed, and even video calls can be made.

Even relatives or lovers who are separated from each other can see each other through this function.

Needless to say, the disadvantage is that no matter where you are, you can receive messages from the other party.

Light......

"Shenhao: The more you lose, the more you earn, my industry is all over the world" Chapter 319 The yacht company is in the middle of the fight, please wait a while,

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