C91 Treating Disease

"Alright, the two of you, if you want to argue over these matters, it won't be too late to wait until the old man's health is better." Guo Zhenyu knew that their argument would only be a waste of time.

Gongsun Chongwen looked at an outsider sticking out from the other side of the wall and felt a little dissatisfied.

"Oh yeah, I almost forgot about proper business