Staging refers to dividing a whole into several parts, as shown below:

1. Installment payment: Installment payment refers to the repayment of the amount owed by the user in installments until it is fully paid off.

2. Installment payment: Installment payment means that when the user has insufficient funds to buy goods, choosing installment payment will generate certain interest.

3. Installment loan: Installment loan refers to repayment by installments when users apply for loans. Installment loans have a fixed repayment date, and users can repay on time before the repayment date of each installment.