欧洲开始了通过一项汇率机制迈向货币统一的漫长过程，30年后，它们拥有了一种自由浮动的单一货币。
Europe started a long process towards monetary union, via an exchange-rate mechanism, which resulted in a single and free floating currency 30 years later.
另一项变化，是汇率制度的变化：两个国家使用欧元：五个国家把本国货币和欧元绑定；其他国家使用浮动货币。
Exchange-rate regimes vary: two countries are in the euro; five countries have pegged their currencies to it; others float.
壳牌正在致力于一项在离戈尔工北部的两个气田建造世界上第一个浮动的天然气液化厂的计划。
Shell is working on a plan to install the world's first floating liquefaction plant at two fields north of Gorgon.
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