黄金储备已经降价至30亿美元以下。
在1969年，当美国的预算赤字和美元与黄金挂钩矛盾的出现，一个人为的储备资产建立了。
In 1969, as the strains between America's budget deficit and the dollar's gold peg emerged, an artificial reserve asset was created.
其实原理非常简单：同样一张一美元钞票，使用两次之后，便具有相当于两张一美元的效力；相同数量的黄金储备发挥了两倍的作用。
The principle advanced is simple: the same dollar bill, used twice, is as effective as two individual dollar bills; the same amount of gold reserve has done twice the work.
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