So that can be unsettling when we think of this as happening at a certain contemporaneous moment in the history of thought.

如果把这个问题放在思想史的特定时期来想,它可能是难以解决的。

耶鲁公开课 - 文学理论导论课程节选

Any device can be the dominant at a given moment in the development of literary history.

任何一种方法都可以,在文学发展史的特定时期占支配地位。

耶鲁公开课 - 文学理论导论课程节选

Well, that's thanks to your ancestors and thanks to the conditions that they've inherited, that you would seek out a diet that has those particular conditions.

其实,这要归因于我们的先祖,是由于祖先们传承下来的,在特定时期的饮食结构决定的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The trouble with the etymology of theory and the way in which the word has been used traditionally is that sometimes it actually means practice, and then at other historical periods it means something very different from practice, something typically from which practice is derived.

理论这个词在词源,和传统的使用方法上的复杂之处在于,它有时候指的是实践，但在特定的历史时期,它指的是和实践非常不同的东西，也就是实践产生的依据。

耶鲁公开课 - 文学理论导论课程节选