钱钟书先生在《管锥编·周易正义·归妹》中指出“比喻……复具多边。盖事物一而已,然非止一性一能,遂不限于一功一效。取譬者用心或别,着眼因殊,指同而旨则异,故一事之象可以孑立应多,守常处变。”钱先生阐发了比喻的多边功能这一重要的修辞原理。有的喻体本身由表及里,由静到动,复杂多变,内涵丰富,所以同一喻体的属性及其功能也就不只限于一边,可为二边、三边、四边甚至更多的边。这里的“边”就是喻体的某一属性,也即喻体与本体的某一属性的相似点。如“月”作喻体时,具有 Mr. Qian Zhongshu pointed out in “The Cone of the Book of Changes, Zheng Yi Zheng Gui Mei” that “the metaphor is complex with multilateral things, but not just one thing, then not limited to one work and one effect. Intentions or farewell to the special, the same principle and the same purpose, so the phenomenon of things should be more and more, keep the constant change. ”Mr. Qian elucidated the multilateral function of the analogy of this important rhetoric. Some of the metaphorical features and their functions are not limited to one side, they can be two sides, three sides, four sides or even more, because they are static and dynamic, complex and changeable, and rich in connotation. side. Here “edge ” is a certain attribute of the metaphor, that is, the similarities between the metaphor and the ontology. Such as “month ” as a metaphor, with