It is the key to solving environmental problems to adjust man-society relationship on the social system level with the relationship between man and natural environment in consideration.

在考虑人与自然环境关系的同时，从社会制度层面来调整人与社会的关系，是解决环境问题的关键。

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The population problem and the problems of resources, environment, and grain will be the the chief problems man is to confront in the 21 century.

人口问题与资源、环境、粮食等问题将是21世纪人类社会面临的主要问题。

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Environmental-geological problems are the "by-product" in the process of rapid urbanization and a reflection of disharmony among man, geo-environment and ecosystem in the pan-metropolitan trend.

环境地质问题是快速城市化进程的“副产物”、泛都市化趋势下人-地-生相互关系失调的反映。

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