如果我们真正关心学习，就应当设计出更有创造性的方法，来扩大和度量它。

And if we really cared about learning, we'd devise more creative ways to expand and measure it.

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我们同时也有主动性直观化，因为很多研究结果表明，如果你积极地参与，到一些使学习目标具体化，的活动中去的话，便能真正理解它。

We also have active visualizations because there's a lot of research showing that if you're actively engaged in something that solidifies the learning objectives we're taking home.

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最近的一项研究发现，如果我们不睡觉，在神经元突触上蛋白质会有所增加，使它难于去思考问题和学习新事物。

When we don't sleep, a recent study found, proteins build up on synapses, possibly making it hard to think and learn new things.

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