明确的分工 meaning in English

clear cut division of labour

There is a clear division of labor in ants
蚂蚁间有明确的分工。
When we examine how people lived their daily lives ? what they ate , what they did , where they were buried , who was paramount in terms of lineage and family ? we see little in the way of radical division between men and women , no evidence for either patriarchy or matriarchy
我们研究居民的日常生活，观察他们的食物、活动、墓葬，及族长与家长的性别，并没有发现两性有明确的分工，也没有父权或母权的影子。