1. Even among rural people in less-developed countries, she said, the need for currency is becoming more urgent.
    " 她还说，甚至在一些欠发达国家的农村人口当中，对钱的需求也变得越来越迫切了。

2. These words sound too literary to give them colloquial currency.
    这些词文绉绉的，不能作为口语使用。

3. The dollar is American currency.
    美元是美国的货币。

4. The country is trying to stabilize the currency.
    这个国家试图稳定货币。

5. Sadly, youth and beauty have become the currency of our society, buying popularity and opportunity.
    可悲的是，青春、美貌已成了我们这个社会的货币，可以买到人心和机会。