This is the phone bill contract package of Telecom. You can choose to buy a mobile phone in JD.COM and promise to surf the Internet for two years. Mobile phones can be hundreds of dollars cheaper. It's similar to what you said. It's not a loan, but if you quit early, you must pay back the benefits you enjoy. If you don't quit early, you will be fine. If you go to the business hall without your knowledge, it is recommended to go to the business hall.