trade in片語動詞KK [tred ɪn] /tɹeɪd ɪn/發音片語動詞1以舊換新、折價換購、抵價可拆開She traded in her old car for a smaller hybrid.她把舊車折價換購了一輛較小的油電車。2經營、買賣The shop trades in rare books and old maps.這家店經營珍本書和舊地圖。3販賣、靠…謀利貶義Some commentators trade in fear and outrage.有些評論者靠販賣恐懼和憤怒獲利。名詞1折價換購的舊物、以舊換新The dealer offered almost nothing for my trade-in.車商對我那輛折價換購的舊車幾乎不給價。