劍橋詞典a way of paying for a new object that involves giving your old one as part of the payment 部分觝價交易，以舊換新交易 I might offer them my old camera in/as part exchange for a new one. 我可以用我的舊相機(jī)部分觝價來買一臺新相機(jī)。 返回 part exchange