currency可數(shù)嗎

　　What currency would you like to exchange?

　　請問你要兌換什么貨幣?

　　He bamboozled me into exchanging the foreign currency.

　　他哄騙我兌換了外匯。

　　That is why the charge of currency manipulation is false.

　　那就是為什么貨幣操縱的'指控是錯誤的。