What is the use of Tongcheng Yilong entrusting withholding?

Tongcheng Yilong entrusted withholding: The internal logic of this operation is that the third-party payment company (such as WeChat/Alipay) provides "entrusted withholding service" to Yilong, and with the consent of the cardholder, Yilong Platform entrusts the third-party payment company (such as WeChat/Alipay) to directly deduct the customer's bank card according to the agreement, and the user only needs to sign the contract once without confirming it every time. Generally, this interface is mostly used for users to pay water, electricity and home network fees according to a certain period (for example, monthly).