Relax is not a waste of time for it can improve your study efficiency.

休息放松并不是浪费时间，因为它可以提高你的学习效率。

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That is plenty of time for them to relax into their ground state, the most energetically stable condition they can be in.

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He said the department was "busy and full most of the time - there is little time for the staff to relax".

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Powell for some time has been trying to cultivate the idea that he wants to relax government regulation of the media and communications sector.

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