Most historians have attributed that inflation, in part, to the importation, starting in 1550, of silver from the Americas, which supposedly put much more currency into circulation in Spain.

很多历史学家都认为当时的通货膨胀在很大程度上是由起始于1550年，来自美洲的大量银进口，这应该让西班牙的流通货币大幅增加。

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The bills were put into circulation in 1987 and printed in limited quantities.

这些货币1987年投入流通，限量印制。

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In May, a new five-euro note will be put into circulation by the European Central Bank.

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It is controlled in part by the amount of dollars printed by the Treasury and put into circulation by the Federal Reserve.

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