自希腊加入欧洲单一货币体系后，旧的希腊货币系统消失了，取而代之的是欧元。
The drachma disappeared, replaced by the euro when Greece joined the single European currency.
货币是建立在信心而不是黄金之上的，美国和欧洲的货币系统很大程度上需要投资者的信心来维持运作。
The monetary systems of both the U.S. and Europe require confidence on the part of investors to operate given that the money is largely backed by faith, not gold.
货币是建立在信心而不是黄金之上的，美国和欧洲的货币系统很大程度上需要投资者的信心来维持运作。
The monetary systems of both the U.S. and Europe require confidence on the part of investors to operate given that the money is largely backed by faith, not gold.
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