He seems to have known something about the modern economic theory of society long before modern economics was even developed.

而且是公开的驳斥,他似乎已知现代社会的经济原理,且是在现代经济学开始发展之前。

耶鲁公开课 - 政治哲学导论课程节选

So, Descartes lived in a fairly sophisticated time, and his time did have robots.

笛卡尔生活在一个,人类社会发展相对成熟的时代,在他生活的年代,已经出现了机器人

耶鲁公开课 - 心理学导论课程节选

The northern states by the Antebellum Period 1820s,1830s,1840s-- was beginning to sort of hurtle toward a different future than what that slave society was perhaps--no, not really slowly it too was hurtling toward a certain future.

北方在战前,也就是19世纪20至40年代,就急速开始朝着,和奴隶社会完全不同的方向发展,但是南方奴隶社会的发展得也不是很慢,它也在飞驰向一个确定的未来

耶鲁公开课 - 美国内战与重建课程节选