2, the confrontation is also called a group battle platoon. It puts words with similar or opposite concepts in corresponding positions, so that they set off each other, make sentences more attractive and increase the expressive force of words. Confrontation is like a ceremonial ceremony of the government, opposing each other. Duantithesis is closely related to the parallel connection in the Han and Wei dynasties, which can be said to be developed from parallel connection, and Duantithesis itself should also be a parallel connection.