1. Don't compare with others in food, clothing, housing and transportation. Clothes are simple and decent, and they don't pursue brand-name clothes. Eat according to your appetite, don't pursue good food.

2. Don't travel in high profile. Public transportation is the main way to travel or do business.

3. Some items can be reused. For example, the books used by college students to check their homework are used up in the front and can be used in the back.

4. spare college students can use their spare time to work and study. The school has a teacher's assistant, which you can do in your spare time, also to reduce the burden on your parents.