It is unwise to assume that a separated environment is ideal for education; I do not believe that such an environment may be helpful to students' learning and study as well as the development of theory. On one hand, theory comes from practice and is based on the observation of real world, without touch with real world one can not understand those knowledge well. On the other hand, any theory must to be applied to direct our practices, without touch with real world appealing for the application of theory is just hot air.
As we can see, without practice any theory is groundless. …
