Especially garbage, the way for gym owners to make money is actually gambling with users. He bet you won't last long. If you don't go, he will earn. In order to make money, he will let those hooligans cheat you in different ways, and when you pay the money, you will turn your back on others. The easiest way is to reduce the user experience. Bairun's strategy is to keep you from using fitness equipment for an hour. And coaches are hooligans, one by one. Be careful when signing the contract, because they have too many tricks waiting for you.