And that ain't money for nothing: The cost to taxpayers in 2008 alone was $848 million, more than two-thirds of which was spent minting coins that many people regard as a nuisance.

它们除了是“钱”以外没有任何其它意义：仅2008年一年纳税人为此支付的成本费用就达到8亿4800万美元，其中超过2/3的花费用于铸造硬币上，铸币生产过程中要消耗14823吨的锌、23879吨的铜、2514吨的镍。

youdao

One reflected the cost of turning, say, an ounce of silver into a coin (this included minting costs plus a government coinage tax known as seigniorage).

ECONOMIST: The lessons of sound money from 1,000 years' experience