So if you have a mortgage on your house and every month you're paying a little bit, you're paying a little bit from the principal and a little bit of interest until you pay back the whole loan.

因此，如果您的房子有抵押贷款， 并且每个月您都需要支付一点，那么您需要支付一点本金和一点利息， 直到您还清全部贷款。