来自current, 流动的，流通的。

1. You need hard currency to get anything halfway decent.

你得有硬通货才能买到还算不错的东西。

2. Inflation has turned the rouble into a toytown currency.

通货膨胀使得卢布变成了毫无价值的货币。

3. Currency-conversion costs remain one of the biggest obstacles to cross-border trade.

货币兑换成本仍是跨境贸易的最大障碍之一。

4. Countries may also find their currency is depreciating in foreign markets.

一些国家也可能会发现自己的货币正在国外市场上贬值。

5. The country's currency went down in value by 3.5 per cent.

这个国家的货币贬值了3.5%。