Zhuyuci, as the first book on the interpretation of function words in ancient books, was also recognized as the first book on grammar and has made the following achievements in this respect : first, it' s the first professional research on function words and thus the beginning of research on grammar; second, it' s the pioneer and systematic interpretation of function words in classic Chinese from the rhetoric angle; third, its attention to the study of compound function words corresponds to the development of Chinese word. Meanwhile, it has ...