C399 An Envelope That Floated Across the Ocean

He was a PhD student in the Mathematics Department of Yanjing University. He was also Wang Xuecai's disciple, Tao Zhixing.

"Dean, teacher, something big has happened!"

Fu Zhendong:???

Qin Luo:...

Wang Xuecai:...

Something big happened? Could there be something bigger than a video lecture?

"Little Tao, drink some water and talk slowly." Wang Xuecai was the first to regain his senses