In fact, differences don't just exist between rural and urban schools. At urban schools, too, rules against creating classes based on ability have resulted in shocking disparities between students in the same class.
事實上，落差不僅存在於城鄉間，就連都會區學校，在三申五令規定常態分班的狀況下，同班同學間的程度差異依然驚人。