Sang Li ·jiǔ· Pei dang

Explain that there are many grades and categories, which are different.

The source of Cao Qingxue Qin's Dream of Red Mansions is seventy-five: "You rabbits are really heartless! Every day in one place, whose goodness are you not moved? It's just that you've lost a few taels of silver at the moment, so you have to wait like this. "

The structure is formal; As objects and attributes; Many differences in grades and categories

For example, Lao She's Camel Xiangzi: "They are all rickshaws, why are there three or six or nine?"