Study the past if you would define the future.

如果你想定义未来，那么就学习过去。

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If you want the present is different from the past, study the past.

如果你希望现在与过去有差别，那么就研究过去吧。

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I am surprised that some people study the past when the whole of history strikes me as null and void.

那些研究过去的人们令我感到惊讶，同时整个历史对我无可奈何。

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The study also found greater snacking on cake, cookies and other treats that past generations might have saved for after dinner.

VOA: special.2010.03.17

Furthermore it would seem that the study of the great books or great thinkers of the past can easily degenerate into a kind of antiquarianism into a sort of pedantry.

更甚之,研究这些巨著或,过往的伟大思想家,更可能轻易地降格为古物癖,或是卖弄学问。

耶鲁公开课 - 政治哲学导论课程节选

So a good bit of what we know about diet and health now comes from studies like The Nurses' Health Study, and in the past, from studies like The Framingham Study and The Seven Country Study.

我们现在知道的关于饮食与健康的知识,相当大一部分来自于像,护士健康研究这样的调查,而在过去则是来自像弗明汉研究和,七国研究这样的项目

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The study of the past doesn't yield unalterable laws that allow one to predict the future with the same certainty that a physicist can chart the trajectory and velocity of a falling object.

NPR: 'Folly of Empire' Offers Critique of U.S. Imperialism

Certainly, that is Mr Lo's hunch: that updating the study for the past three years, when individual share-trading has grown to an unprecedented level, will show that the technical measures have worked even more strongly for Nasdaq stocks.

ECONOMIST: Heads, shoulders and broadening bottoms | The

According to the Harvard study, during the past 20 years the average number of children fell by about 50% more in the richest households than it did in the poorest.

ECONOMIST: Free exchange