Yes. And what kind of currency do you want to change? 好的。那么，您要兑换哪种货币呢?

I want to exchange some sterling pounds for dollars. 我想将一些英镑兑换成美元。

What's it you wish to change? 您想要换什么?

What kind of currency do you want to change? 您要换哪种货币?

Dutch guilders,please. 请给我荷兰盾。

What kind of currency do you want? 您要哪种货币?