投资50万三年回本

简介：However, the children of these aristocratic families were happy, but the instructors of Class 1 and Class 2 were angry. Class 1 was okay, not many people were replaced, less than ten people, but Class 2 was replaced with 70 or 80 people, and their performance was good. In exchange for a bunch of poor performers, any instructor would be unhappy, so the instructors of Class 2 were full of resentment towards Class 3.