动词
中文翻译：交换
同义词：
['exchange', 'swap', 'substitute']
例句：
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1. We need to change our plans due to the sudden rainstorm.
由于突如其来的暴雨，我们需要改变计划。
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2. The company decided to switch to a new supplier for better quality products.
该公司决定更换供应商以获得更好的产品质量。
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3. They exchanged pleasantries with each other before the meeting began.
会议开始前，他们互相问候并交换了寒暄。