This thesis tries hard to put forward a general structure to explain on the whole why the world of life, especially the social scenes formed by conscious human beings, is complicated.

本文力图给出一个一般性的结构来大致说明生活世界，特别是有意识的人所形成的社会情景，何以是复杂的。

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The population migration and floating are a kind of complicated human phenomenon. This phenomenon exerts wide effect on social life.

人口流动和迁移是一种复杂的人文现象，对社会生活具有广泛的影响。

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Life science is one of the most important and mysterious science, and human body physiology system is quite complicated.

生命科学是人类最重要同时又是最神秘的科学之一，人体生理系统是一个相当复杂的系统。

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So does the life of human beings, though the appetites and desires are more complicated.

人亦如此，只是人的嗜好和欲望更加复杂罢了。

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