by using this theory, we can analyze class, stratum and social change associated with class and stratum, we can discern the laws and the inevitable trends of the social history evolution processes.
运用这样的分工—阶级理论分析历史和现实社会的阶级、阶层及其相互关系和与之相应的社会变迁,才能看清社会历史演进的规律性和必然趋势。