我可以在这兑换些外币吗?

May change foreign currency here?

我想把一些美金换成英镑。

I'd like to change some US dollars into sterling pounds.

今天的兑换率是多少?

What's today's exchange rate?

一美金兑换8.5人民币。

It's 8.5 renminbi to a dollar.

你要换多少?

How much would you like to change?

你要大面额的还是小面额的钞票。

How would you like them, in large or small denominations?