信用卡利息可能非常高，因此最好每月还清欠款。

Credit card ___interest can be very high, so it's wise to pay off your balance each month.

极高的利率对许多试图获得抵押贷款的家庭来说是一个负担。

Extremely high ___interest rates were a burden for many families trying to get a mortgage.

该银行为首次购房者提供低息贷款。

The bank offers a low ___interest loan for first-time home buyers.