I arrived in Beijing at 1:30 am, had no idea where I was going, only a little exchanged currency, and could speak very minimal Chinese.

我在凌晨 1 点 30 分到达北京，半夜我不知道去哪里，而且身上的人民币也不多，只懂一点点中文。

youdao

You've exchanged one currency for another.

你已经将一种货币兑换成另一种货币。

youdao

An exchange rate is the rate at which one currency can be exchanged for another.

汇率是一种货币转换为另一种的比率。

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These SDRs may be exchanged for hard currency.

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From 1861 until 1873 neither gold nor silver were used as currency and all US currency was paper which could not be exchanged for either.

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Since all major currencies could be exchanged for gold or other currencies pegged to a currency that follows the gold standard, exchange rates would remain stable without anyone doing anything.

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