定和值范围的技巧

简介：What she has to consider is not only the issue of operating profit, but also the issue of cost. There is also one thing. Li Bingmiao has no business experience. She is just an English teacher, and the questions she asks are also very naive. People with real business experience and maturity ask questions. The questions you get will not be so superficial, they must be to the point. Businessmen are animals who pursue profits.