You can end up wasting a lot of energy by pushing yourself on by sheer willpower... when, in fact, it may be the case that your brain and body really need a break.

纯粹用毅力勉强自己工作，最终你只会浪费很多精力. .而这时候实际上是你的大脑和身体都真的需要休息一下了。

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Bacteria in our gut gobble up things like sugars and fatty acids, which they can break down either through respiration or fermentation. Respiration provides a bigger energy kick.

我们内脏里的细菌会吞噬糖类和脂肪酸一类的物质，它们通过呼吸作用和发酵作用可以分解此类物质。

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Rather, in the beginning artists, philosophers, linguists, writers and musicians were bound up in a movement of great force that sought to break with the past, and which did so with great energy.

然而，初期的艺术家、哲学家、语言学家、作家和音乐学家花了极大的气力忙于和过去断绝关系。

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Ken Lay was the only energy executive to meet privately with Vice President Dick Cheney to help shape the administration's new energy policy -- which included a recommendation to break up monopoly control of electricity transmission networks, a longtime Enron goal.

CNN: Bill Press: Enron makes Whitewater look like peanuts

When you need to take a break, close the lid and VAIO goes into an energy-efficient deep sleep, keeping your data stored safely for up to 90 days1 without running out of power.

ENGADGET: Sony announces its first Ultrabooks, the VAIO T13 and T11, for the European market