This night, Wen Lan and Xuan Yue were lying in the guest room of Mingyue Villa, and the two of them chatted late with quilts.

During this period, Wen Lan told Xuan Yue about some of the scientific and technological civilizations in the present world.

First and foremost, of course, are communication tools.

"Where did we first invent the telegraph, the telegraph has a telegraph code, which is sent by a professional person, and received by a professional person, for example, I love you, and sending it with a telegraph code is 2......

Chapter 142 of "Food Splendor": A Shocking Secret. I am hitting it in my hand, please wait a moment,

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