The euro is the official currency of the European Union.（欧元是欧盟的官方货币）
I'll need to exchange my dollars for euros before I go to Europe.（我去欧洲之前需要先把美元换成欧元）
The value of the euro has risen against the dollar in recent months.（近几个月来欧元对美元的汇率有所上升）
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最佳回答 2023-02-06