C679 A Professor's Habit

Shen's question seemed a little unprofessional. Cao Yongfu even smiled. His expression was as if he had seen a girl bathing by the river. He asked back, "This is a question. Don't tell me Boss Shen doesn't understand? Antiques look old. How much does this have to do with how long I buy them? "

There were really people around to support him