Have you exchanged foreign currency?

你兑换外币了吗？

You can convert foreign currency at the bank.

你可以在银行兑换外币。

Please fill out this foreign currency declaration form.

请填写这张外币申报单。

The bank can exchange various types of foreign currency.

银行可以兑换多种外币。

The agio on the foreign currency was higher than expected.

外币的贴水比预期的要高。

You can exchange foreign currency at the Bank of China.

你可以在中国银行兑换外币。

They accept various foreign currency as a form of payment.

他们接受多种外币作为支付方式。

It is convenient to carry some foreign currency when traveling.

旅行时带一些外币是很方便的。

He converts his savings into foreign currency before traveling.

他在旅行前转换他的储蓄为外币。

The airport staff will check your foreign currency declaration form.

机场工作人员会检查你的外币申报单。