你换汇时应该带着你的护照。

You should take your passport with you when changing money.

《柯林斯英汉双解大词典》

您能告诉我在哪里查看美元与港币的兑换汇率吗？

Could you tell me where to get the exchange rate for US dollars into HK dollars?

youdao

您必须在机场的外币兑换处或在外滩中国银行换汇外币。

You have to convert them back at the money exchange of the airport or the Bank of China at the Bunds.

youdao