An engraved metal piece used for impressing a design onto a softer metal, as in coining money.

金属模子一种用于镌刻的金属件，可将设计好的图案压印到较软的金属上，例如压制货币。

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Metal was used for money even before it was made into COINS.

金属在被制成硬币之前就已经做为货币来使用了。

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No one knows for sure when people started using metal coins for money.

没人确切的知道人们从何时起开始使用金属硬币作为货币。

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The promise of America says we will guarantee quality education for all children and not spend more money on metal detectors than computers in our schools.

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That is the biggest moat in the entire world for one piece of metal to be used by everyone agreeing its money.

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Sumitomo Metal, for example, would be expected to give a decent chunk of its pension money to Sumitomo Bank's investment advisory firm.

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