tradebid贸易差额traden.贸易；交易；行业；同行；顾客；营业额；交易量v.做生意；从事贸易；购物；营业；(在证券交易所)交易；交换trade-mark licence商标注册证trade-off analysis权衡分析trade investment law商业投资法Tradescantia species水竹草属trade of water right水权交易trade advisory board贸易咨询委员会Trade volume of flow贸易流量trade liheralization贸易自由化Trade-name of drug药物商品名称trade representation贸易代表

1. One trade barrier can beget another.
   一个接着一个的贸易壁垒。
2. Many of the barriers to trade are being abolished.
   许多贸易壁垒都在慢慢消失。