chéng > mán róng 
dài duì fāng shǎo shù mín de tǒng chēng Ancient ethnic minorities collectively Quartet   dài duì fāng shǎo shù mín de tǒng chēngdōng fāng yuē nán fāng yuē mán fāng yuē róngběi fāng yuē 。《 guó · zhōu zhōng》: sān jūn zhī suǒ xúnjiāng mán róng zhī jiāo qián shì zhì xún · zhèng lùn》:“ zhū xià zhī guótóng tóng mán róng zhī guótóng tóng zhì。” guō ruò yuán 'èr :“ jiè de hán shìzuò dào guó de chéngxiànggōng qīng nóng gōng shāng jiǎzào tái mán róng shénme yàng de rénchàbù duō wǒdōu kàn guò liǎo。”