"Learning is brain change," says Professor James Zull from Case Western University in Cleveland, Ohio, USA.

美国俄亥俄州克利夫兰凯斯西大学的詹姆斯·祖尔教授说：“学习就是改变大脑。”

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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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But brain researchers have discovered that that's not the case.

然而脑研究者已发现事实并非如此。

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