Chapter 801

at him and then said: "毛利潤 refers to the revenue from main business operations minus the cost of main business operations. Of course, this is only the definition in textbooks. In commercial activities... a long life."Qi Kai Shan smiled and warmly said, "Very good, very good. Thank you all for coming, I received your kind thoughts..."He said, walking with the old man beside him to the front.Meanwhile,...