It's great when your clothes fit better, you can lift heavier things or take exercise longer.

如果你的衣服合身就更好了，这样的话你可以举起更重的东西，或者运动更长的时间。

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These tips can help you safely - and enjoyably - exercise when the weather turns chilly.

这些贴士可以帮助你在天气转冷是安全愉快地锻炼。

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But it's great exercise, and it means you can get out and go somewhere when the storm is over.

但其实这是一种不错的锻炼，而且意味着风暴停下来后，你可以走出门去到处转转。

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"It isn't a huge surprise when you consider many positive effects exercise can have with regards to the brain chemistry: dopamine, serotonin, endorphin, epinephrine -- these are all associated with mood altering effects, " said Dr. Cedric Bryant, the chief science officer for the American Council on Exercise.

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Instead, when working alone you can treat the assignment as a theoretical exercise, like a B-school case study to turn in to the professor.

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