At first, he chanted something else to express himself, that is, something else, and then caused associations and introduced positive topics.
For example, Guan Luo's dove is in Hezhou. My Fair Lady is a gentleman.
The artistic expression of "expressing feelings by borrowing things" based on sentences by using language factors has the functions of arousing feelings, creating the atmosphere of works, coordinating rhythm, determining rhyme and pace, and linking contextual relations.