大家都搜：
以旧换新形式
1、in top form───很健康，竞技状态极好；竞技状态很好
2、trade in for───以旧换新
3、in form of───以……的形式
4、trade───vi.交易，买卖；以物易物；vt.用……进行交换；n.贸易，交易；行业；职业
5、trade in───用（旧物）贴换新物; ChuShou，经营；买卖；抵价购物
6、stock in trade───n.存货，现货；存货；现货；惯用手段（等于stock-in-trade）
7、invisible trade───[贸易]无形贸易
8、in the form───在形式上
9、trade balance───贸易差额，贸易平衡
1、An agreement to bring in free trade in cars by 2007 has been postponed. The countries that form the pact (Argentina, Brazil, Paraguay and Uruguay) failed to adopt a common stance in the Doha talks.───一项让汽车行业实行自由贸易的协议也被推迟，而协议各国(阿根廷、巴西、巴拉圭与乌拉圭)在多哈谈判中也都无法站在共同立场上。
2、If you form a rapport with a retailer, the store will look after you over the years, even helping you to upgrade or trade-in watches while reducing the sting of depreciation.───如果你与零售商保持良好的关系，商店将会经年累月地关照你，甚至会帮你升级或折价更换手表，减轻手表折旧给你带来的痛苦。
3、Codex Standards form the basis of food legislation in many countries and are recognized as international benchmarks by one of the multilateral agreements of the World Trade Organization.───法典标准构成许多国家食品法规的基础，并且被世界贸易组织多边协定之一确认为国际基准。