1PHRASAL VERB 以(旧物)折价贴换同类新物 If you trade in an old car or appliance, you give it to the person you are buying a new one from so that you pay less. 以(旧物)折价贴换同类新物
He had a Rolls-Royce, and he traded it in for two matching silver Range Rovers. [VERB noun PREP.]
他有辆劳斯莱斯,他把它折价贴换了两辆外形相配的银色路虎车。
Richard refused to trade in his old Canon cameras. [VERBPREP. noun]
N-COUNT [oft NOUN n]折价贴换交易;以旧换新交易 A trade-in is an arrangement in which someone buys something such as a new car or washing machine at a reduced price by giving their old one, as well as money, in payment. 折价贴换交易;以旧换新交易