trade

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【释义】：

n．❶ 买卖，交易，贸易，商业：foreign(international) trade 对外(国际)贸易．be in trade 做买卖．❷ 职业，手艺：He is a carpenter by trade．他是木工．❸ 同行，同业：the building trade 建筑业．

△trade show【影】预演．

－vi．经商，做买卖：trade with foreign countries同外国通商．trade in silk经营丝业．

－vt．交换：He traded his album for a pen．他用像集换了一支钢笔．