Are you a man or a woman? Men had better not go to the library. They have no future. The job is easy and secure, the salary is stable and the welfare is better. But it's meaningless to do it for a long time, except for a lot of books.

Have the ability to do sales. Generally, you get a basic salary plus a commission. If you have good performance, you will get a high salary. Very challenging. If you are a woman, you can go to the library. You don't have to work hard outside all day. When you are getting old, you will get married and live a stable life.