There are some who believe that slavery is natural, because ruling and being ruled is a pervasive distinction " that one sees all societies practice."

有些人相信,奴役是自然的演变，因为统治者与被统治者,有着普遍的区别,一方要看顾着整个社会的运作“

耶鲁公开课 - 政治哲学导论课程节选

What would happen is these people who were enslaved from different cultures would develop a makeshift communication system so they could talk to one another.

这些来自不同文化的被奴役的个体,会创造出一种临时的交流系统,以便他们之间能够互相交流

耶鲁公开课 - 心理学导论课程节选

Essentially, it means any society where slave labor where the definition of labor, where the definition of the relationship between ownership and labor is defined by slavery.

从本质上来说,它是个奴隶劳动的社会,在这个社会里劳动的内涵,以及劳动者与其劳动所有权之间的关系,都被定义为奴役

耶鲁公开课 - 美国内战与重建课程节选