短语词组短語trade -in value 以舊換新觝價;觝換價值;易新價值;折價物trade n in trade 拿到執照trade expand in g 貿易擴張Trade fairs in China 中國展覽計劃Trade Name in Tiajin 天津商名trade fill in 換填assets trade -in 資産整躰置換 返回 trade in