Since 2004 the near tripling of trading in oil on the New York Mercantile Exchange (NYMEX), the world's biggest market for the stuff, has neatly coincided, with a tripling in the price.

自2004年以来，纽约商业交易所（世界上最大的原料市场）的原油交易量上升了三倍，但油价也相应地上涨了三倍。

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This near-tripling of oil prices calls up scary memories of the 1973 oil shock, when prices quadrupled, and 1979-1980, when they also almost tripled.

这次近3倍的涨价令人想起了1973年和1979 ~ 1980年两次可怕的石油恐慌，当时的油价分别涨了4倍和近3倍。

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This near-tripling of oil prices calls up scary memories of the 1973 oil shock, when prices quadrupled, and 1979-1980, when they also almost tripled.

这近三倍的石油价格增长唤起了1973年石油危机时的可怕记忆，当时油价翻了三番【1】，而1979 - 1980年的危机中，油价仍保持近两番。

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But by the close of the 1980s, despite a near tripling of the national debt, the U.S. was an innovating economic powerhouse.

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Despite the near tripling of the monetary base this time around, NGDP was only 5.31% higher in 3Q2011 than it had been three years earlier.

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Current projections show a near tripling of carbon dioxide emissions from electric power in developing countries during the next 20 years, which represents 10 percent of worldwide projected emissions.

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