It would be like asking a marathon runner if they feel pain.

就像你去问一个马拉松运动员他们是否感到疼痛。

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If you ask a marathon runner how he feels after 19 miles, he will say he is tired.

如果你问一位跑完19英里的马拉松运动员感觉如何，他会说累的。

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When IBM's Blue Waters supercomputer goes online next year, it'll be a marathon runner, not a sprinter.

IBM的Blue Waters超级计算机将于明年上线，它将是马拉松运动员而不是短跑选手。

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Ideally a marathon runner should be doing 40 to 50 miles a week for at least three or four months before race day.

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To understand the consequences of the Great Recession, consider this analogy: The U.S. economy is like a marathon runner who runs too hard and pulls a hamstring, but finds himself with another race to run.

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He is a former marathon runner and university professor who in 1995 developed a severe form of sclerosis.

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