foreign trade 对外贸易

overseas trade 海外贸易

international trade 国际贸易

to trade with 和……进行贸易

to do business in a moderate way 做生意稳重

to do business in a sincere way 做生意诚恳

to make a deal 做一笔交易

deal 交易，经营，处理，与……交往

to deal in 经营，做生意

to explore the possibilities of 探讨……的可能性

trade circles 贸易界

to handle 经营某商品

to trade in 经营某商品

business scope/frame 经营范围

trading firm/house 贸易行，商行