01 The movement of people from agricultural areas to cities to work can cause serious problems in both places. What are the serious problems and what measures can be taken to solve this problem?农民工进城所产生的问题和方案

　　02 In many parts of the world children and teenagers are committing more crimes. Why is this case happening? How should children or teenagers be punished? 青少年犯罪的理由和解决方案 青少年教育类话题