例句：

From South Korea to Indonesia and India, monetary authorities are preparing to let their currencies weaken as a falling Japanese yen makes their economies uncompetitive, and drags them into what some policymakers are calling a "currency war".

从韩国到印尼和印度，各国货币政策机构正准备让本币贬值，因为日元下跌导致他们经济的竞争力下降，并将各国拖入一场决策者口中的"货币战"。

Devaluation of domestic currencies(本币贬值)可以降低本国商品相对外国商品的价值，使国外人们增加对本国产品的需求，本国居民减少对外国产品的需求，从而有利于本国的出口，减少进口。另一方面，可以提高人们对currency inflation(通货膨胀)的预期，刺激domestic consumption(国内消费)。

相关词汇：

global reserve currency 国际储备货币

settlement currency 结算货币

daily trading band 汇率波幅

rate fine-tuning 汇率微调

one-way appreciation 单边升值

bi-directional volatility 双向波动

undervalued currency 估值偏低货币

currency manipulator 货币操纵国