an arrangement in which a service or product is paid for, or partly paid for, before it is used or obtained, or the amount that is paid

They moved into a home with a prepayment meter for electricity.

A pre-payment of £50 as part of the rental cost is required. 需要预付50英镑作为租金的一部分。

the act of paying a debt before it is due to be paid, or the amount that is paid

There is no penalty or fee for prepayment of a loan.

Most contracts allow pre-payments of 10 to 20 percent of the balance each year without penalty. 大多数合同允许每年提前偿还余额的10%到20%而不会被罚款。