The 21rt century is an environmental one in which human beings are facing to the problem of how get rid of the tough-minded plight so as to turn their developmental way to the harmony of them and the nature.
The 21rt century is an environmental one in which human beings are facing to the problem of how get rid of the tough-minded plight so as to turn their developmental way to the harmony of them and the nature.
摘要21世纪是一个“环境的世纪”，人类面临着如何摆脱现实困境向人与自然和谐发展的道路转变的问题。