1999年1月1日11个国家的货币跟一种新货币，即欧元的比率固定下来，欧元也成为批发金融市场中的结算单位。

On January 1st 1999 the currencies of 11 countries were fixed against a new currency, the euro, which became the unit of reckoning in wholesale financial markets.

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B：每一国家的货币单位是否不一样？

B: Is every country's monetary unit different?

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每一国家的货币单位是否不一样？

Is every country's monetary unit different?

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