In addition, seniors and seniors also have second-hand rackets, some of which are ok. I have to try this feeling myself. That's how I bought my tennis racket. It works very well.
Professional, you can go to Yiwu Commodity City, a row of sporting goods stores on the second floor of Zone B, and the more troublesome thing is bargaining. It is best for several classmates to make an appointment to go together.
If it's better, take the subway to Decathlon to buy it, but it's a little tiring to transfer.
That's about it. It is recommended that freshmen make a decision after observation, because you may not be able to choose badminton and tennis classes, and the school space is very limited. There seem to be six temporary badminton courts in the tennis court, but the temporary badminton courts are still not standard, and the height and width are not enough, so it is very difficult to play.