The value of money changes through time because of inflation or deflation; yet, most of our debts are written in money terms.

货币的价值因时而异,那是因为存在通货膨胀和通货紧缩;,但是，我们大多数负债都以货币方式记录。

耶鲁公开课 - 金融市场课程节选

They never kept all the gold for all the dollars that they issued so you could say it's still backed by gold. The really important thing is it's not convertible into gold.

他们从不持有所有的发行过的,货币价值的金子，所以你可以说它是,被金子支持的，真正重要的在于,它不能转换成金子。

耶鲁公开课 - 金融市场课程节选