mortgage

他们的房屋抵押贷款还有15年才能还清。

They have 15 years left to pay off their ___mortgage.

他们花了整整一周时间仔细阅读抵押贷款的文件。

They spent a whole week carefully reviewing the ___mortgage documents.

他们不得不抵押公寓来支付孩子的大学学费。

They had to ___mortgage their apartment to pay for their child's college tuition.