名词
中文翻译：贸易货币
同义词：
['currency', 'exchange rate', 'money', 'financial instrument']
例句：
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1. The government is considering the possibility of using trade currency to fund its foreign aid programs.
政府正在考虑使用贸易货币来资助其对外援助计划的可能性。
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2. The exchange rate between the two currencies has been fluctuating significantly recently.
最近，两种货币之间的汇率波动显著。
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3. The currency market is highly volatile, and investors need to be cautious when trading.
货币市场高度波动，投资者在交易时需要谨慎。