Fu, just say what you want to say. Chen Fu can also be called Pupai, which is short for Pupai. In long poems, arrangement and arrangement are often used together. Elaboration is a series of closely related landscape images, events, characters and behaviors, which form a group of sentences with basically the same structure and tone in a certain order.
So I think fu is used in papaya because it directly expresses the meaning of "returning a peach to a plum" and gives the other party a reply and a gift. In addition, in order to better explain and express, three sentences with the same meaning are placed side by side.