Analysis:

The 28th volume of Shi Yuming and Li Huang Zhen Nv said: "There are only three kinds of mouths in the world, which are extremely powerful. A scholar speaks out against the world; Monk's mouth, eat all over the square; The matchmaker's mouth spread everywhere. Tell me more about the matchmaker's mouth. How can it spread all over the world? The matchmaker has several slogans: the owner goes, the west goes, and the foot keeps calling.