[, ] () a way of buying sth, such as a car, in which you give your old one as part of the payment for a more expensive one; the used item itself (以旧换新的)部分抵价交易◆We'll take your old car in part exchange. 我们将部分抵价以旧换新的方式收回你的旧汽车。SYNtrade-in ▸ˌpart-exˈchange