pension mortgage
noun
- a mortgage in which the borrower repays interest only and also contributes to a pension plan designed to provide an eventual tax-free lump sum, part of which is used to repay the capital at the end of the mortgage period and the rest to provide a pension for the borrower's retirement养老金抵押（一种借款人仅偿还利息并同时为最后总额免税的养老金办法交钱的抵押, 其中一部分用来在抵押期满时偿还本金, 剩下的部分在借款人退休后作为其养老金）。