labor divison [i.e. division], social differentiation, and China's modernization labor division, social differentiation, and China's modernization labor divison,social differentiation,and China''s modernization 迈向高收入：分工、分化与中国的现代化转型：labor division, social differentiation, and China's modernization 迈向高收入：分工、分化与中国的现代化转型：labor divison,social differentiation,and China''s modernization