What does cash back for business travel mean?

Cash back for business travel is direct cash back, and the specific operation is as follows:

1. Open the mobile phone WeChat, and in my account, click Pay.

2. In the payment, click ....

3. In payment management, click Expense Deduction Service.

4. In the fee deduction service, choose the cash back service for business travel.

5. Click to close the service.

6. Click Close again to cancel the cash return service for business travel.