压大单小单大双小双口诀

简介：Historically, in June of the fifteenth year of Chongzhen, that is, this year, Wu Di will be appointed as the Minister of Rites and the Bachelor of Dongge, and will be appointed as the second assistant. Because he has political differences with Zhou Yanru, the first assistant, he will go against Zhou Yanru on many things. People at that time called Zhou Yanru the Jiangnan Party and Wu Di the Jiangbei Party because of their native places.