The structure of human knowledge is just like the complexity of a net，which means various disciplines have interconnections and a progress in one will undoubtedly bring changes to some others，which is because scholars belonging to related areas will probably get useful implication from progress happened in this one. And with this similar process going further，innovations may occur in several other disciplines，which will even bring forth new disciplines. It is obvious that scholars' ideas can reach a wide audience by the advantage of the knowledge structure without necessarily reaching wider audiences directly.
