◎ 三大差别 sān dà chābié
[the three major distinctions (between town and country, industry and agriculture physical and mental labour)] 社会主义国家中的工农差别,城乡差别,体力劳动和脑力劳动的差别

1.the three major differences (namely, those between workers and peasants, between city and countryside and between manual and mental labour); three major distinctions (between town and country, industry and agriculture, physical and mental labour)

指工农之间、城乡之间、脑力劳动和体力劳动之间的差别。