名词
中文翻译：官方汇率
同义词：
['官方汇率，官方兑换率，官方汇率，官方外汇汇率例句：1. The official exchange rate is based on the current market rates.（官方汇率是基于当前市场率的。）']
例句：
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1. The official exchange rate is based on the current market rates.
官方汇率是基于当前市场率的。
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2. The official exchange rate is subject to change due to political and economic factors.
官方汇率因政治和经济因素而变化。
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3. The official exchange rate is used by banks and other financial institutions to determine the value of currencies.
官方汇率由银行和其他金融机构用来确定货币的价值。