currency

Different countries use different currencies.

不同的国家使用不同的货币。

The euro is the currency of many European countries.

欧元是许多欧洲国家的货币。

We need to exchange currency before traveling.

旅行前我们需要兑换货币。

The dollar is a common currency.

美元是一种常见货币。

Mom explained what currency means.

妈妈解释了货币是什么意思。