名词
中文翻译：交换
同义词：
['trade', 'swap', 'interchange']
例句：
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1.The two countries have been exchanging ideas about their economic policies.
这两个国家一直在就他们的经济政策交换意见。
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2. The exchange rate has fluctuated significantly since the announcement of the new policy.
自从宣布了新的政策以来，汇率已经大幅波动。
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3.The company is looking for a partner to exchange ideas and share resources.
该公司正在寻找合作伙伴，以交换想法和分享资源。