Since the middle and later of 20th century, no matter the natural science and the social science refocus on the meaning of time. In the field of natural science, the directivity and the irreversibility of time have been proved in theory. It is thought that the rediscovery of “time”in physics is the most important symbol of the revolution of natural view. While in the field of social science, futurist Tofler believes that the studies of “time”are still an empty field to a great extent. Though “time”is closel...