名词短语
中文翻译：银和外币
同义词：
['silver', 'foreign currency']
例句：
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1. The government is considering the purchaseof silver and foreign currencies for its reserves.
政府正在考虑购买白银和外币作为储备。
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2. The exchange rate between the twocountries fluctuates frequently, makingit difficult to accurately predict the value offoreign currencies.
两国之间的汇率波动频繁，这使得准确预测外币的价值变得困难。
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3. Thecountry's economy heavily relies on foreigncurrencies, which can significantly impact its tradebalance.
该国经济严重依赖外币，这可以显著影响其贸易平衡。