[, ] () a situation in which the value of a country's exports is greater than the value of its imports 贸易顺差；贸易盈余◆They have managed to maintain a large trade surplus. 他们成功地维持了巨额贸易顺差。◆China posted a trade surplus of $2.2 billion in August. 中国公布 8 月份的贸易顺差为 22 亿美元。OPPtrade deficit ➡balance of payments , balance of trade