您可以在线查看不同国家的汇率。

You can check the ___exchange ___rate for different countries online.

我看到一家货币兑换店，进去询问汇率。

I saw a currency exchange shop and went in to ask about the ___exchange ___rate.

当前的汇率使得现在是出国旅行的好时机。

The current ___exchange ___rate makes it a good time to travel abroad.