辩证法是关于外部世界和人类思维运动的一船规律的科学。
Dialectics is about the outside world and the human mind the science of law of motion of a ship.
多年来，他已作出的做法睡在一个不同的床每晚，思维运动的目标是很难击中。
For years he has made a practice of sleeping in a different bed each night, thinking a moving target is harder to hit.
越来越多的证据表明，经常运动可以使人思维敏捷，学习能力和记忆力提高。
Mounting evidence suggests that regular exercise can keep your mind sharp and increase learning and memory capacity.
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