But on August 15th 1971 Nixon, in the face of economic difficulties, closed the gold window, devalued the dollar against bullion and imposed a 10% surcharge on imports.

但是1971年8月15日，面对经济困境，尼克松关闭了黄金窗口，使美元对黄金贬值并对进口收取10%的额外费用。

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Nixon suspended the dollar's official convertibility into gold this month 38 years ago, closing the "gold window" on Aug. 15, 1971.

FORBES: Magazine Article

From 1971 (the year Nixon broke the gold window) through 1974, the annual percentage change on the Consumer Price Index (CPI) increased from 4.4% to 11.0%.

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Indeed, since President Nixon closed the gold window in 1971, the U.S. price level has drifted upward, sometimes rapidly, eroding the purchasing power of the dollar.

FORBES: The Fed's Incredible Rate Forecasting Hubris