.两种互动的事物或现象Two mutually promotive objects or phenomena (positive) A and B are nothing strange for us, because increasingly more argumentations about them can be found in TV programs, newspapers, university classes and many aspects of our everyday life. The profound influence of A and B on individuals, collective, society and even the whole world is widely recognized, how ever the understanding of the subtle relationship between A and B, as well as the principle of A and Bs co inf
