Forum ups and downs Chen Song and Tong Yihuai knew that after they rescued the kittens from the tree and released them, they saw single dog for ten thousand years and felt that they were predestined. Professor Tian Aiguo stood by with his hands holding his chest and looked at them with a bad face.

Tian Aiguo still hasn't officially taught in any university, but he is a visiting professor in many universities. See Chen Song and Tong Yihuai look at their fields and say,…