But it is also exist in close contact between them . With the development of nine-grade system , " Zhongzheng " grade is contact with family status closely . It becomes the standard of differentiating Gentry and common people .
但二者也存在着密切的联系，随着九品中正制度的发展，中正品第便与门第紧密地结合在一起，成为区分士庶的标准。
zhongzheng