We present the history and principle of thermodynamics and its application to mechanism of geochemistry.

文章介绍了热动力学方法的研究历史、研究原理以及在研究地球化学机制中的应用。

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Yesterday is history, Tomorrow is a mystery and Today is a gift: that’s why we call it ‘The Present’

昨天已是历史,明天还是未知，而今天则是一个上天的礼物：那就是我们为什么称它为“现在”(Present)的原因。

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Remember this history as we look at the present.

我们考虑当前的时候要记住这段历史。

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"Even as we reflect on the hope of our history, we must also face squarely the reality of the present a reality marked by unfairness, marked by hardship for too many women in America."

VOA: standard.2010.03.08

Magosaki quotes a historian to the effect that we study history not so much to understand the past, but to understand the present.

FORBES: Japanese Diplomat Decries Japan's Post-WWII Subservience to the U.S.; Advocates an Independent Japanese Foreign and Security Policy

"Almost unanimously, they tell me that this present policy is working, that we have the best military in history, that we have the bravest, most professional, best prepared, and that this policy ought to be continued because it's working, " he added.

NPR: Candidates Split On 'Don't Ask, Don't Tell' Policy

The only question seems to be, to which deflationary period in history can we compare our present crisis?

FORBES: What Is Gold Telling Us?