Fiscal stimulus, low interest rates, a surge in exports, and internal flexibility led to vigorous growth in 2004, with real GDP rising by 8 percent, by far the economy "s best performance since 2000."

财政刺激，低利率，出口浪潮，和内在的灵活性促使了2004年强有力的经济增长，而现在GDP上升8%，呈现出2000年以来最好的经济态势。

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Low fat milk: 1% or skimmed milk contains the right balance of protein and carbs to help muscles rebuild after vigorous exercise.

低脂牛奶：1%或脱脂牛奶含有适当的蛋白质和碳水化合物帮助剧烈运动后的肌肉重建。

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At a high temperature the random molecular motion is more vigorous than at a low temperature.

分子的无规律运动在高温时比在低温时更激烈。

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Reagan's low tax rates, a vigorous foreign policy and other reforms transformed our economy.

FORBES: Magazine Article

The magazine said one book gave "potentially dangerous advice on doing a vigorous workout on an empty stomach and with low carbohydrate intake, which could lead to dizziness and fainting".

BBC: Health risk of 'faddy diets'