You can argue about the single currency but you can't opt out of the European Single Market.你可以对单一货币进行争辩，但你无法退出欧洲单一市场。Europe is moving steadily towards a single currency.欧洲正朝着单一货币的方向稳步前进。Mr Kennedy nailed his colours to the mast of the single currency.肯尼迪先生表示支持单一货币制。The issue of the single currency has divided the country.这个国家在发行单一货币问题上意见不一。