动词
中文翻译：Unknown
同义词：
['trade', 'swap', 'transact', 'deal', 'bargain']
例句：
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1.They exchanged their stories about the trip.
他们交换了关于旅行的故事。
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2.The company exchanged its shares with a competitor.
公司与竞争对手交换了股份。
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3. He exchanged pleasantries with his colleagues before the meeting.
会议前，他与同事进行了友好的寒暄。