阶级

他的家庭属于中产阶级。

tā de jiātíng shǔyú zhōngzhǎn jiējí .

His family belongs to the middle class

这个地区的贫富差距很大，反映了社会阶层的分化。

zhè ge dìqū de pínfù chājǐ děng hěndà , fǎnbiàn le shèhuì jiēcè de fēn fá .

The difference between wealth and poverty in this region is great, reflecting the division of social classes