What is the annotation basis of Zhu's The Book of Songs?

Zhu Shi Hua pointed out: "The giver is the truth of Chen Qi" (narrative); "Compare, compare this thing with other things" (using things as a metaphor); "If you are interested, say something else first, which will lead to the words being sung". According to this explanation, "Fu" means the meaning of statement and elaboration; "Bi" is equivalent to the metaphor of modern rhetoric; The basic meaning of "Xing" is to take other things as the beginning of poetry. "Fu, Bi and Xing" are the expression methods of poetry. Fu is a thing, describing the process of one thing. "Bi" is a metaphor, using a