So that when he says that citizens are held together by ties of common affection he means something very specific.

所以当他们说到公民是由,共同感情的关系所团结在一起,他所指的是非常明确的东西。

耶鲁公开课 - 政治哲学导论课程节选

Now potentially to some of the other things as well, but these are the main ones, and these links have been very clearly established.

同时它还和其他一些疾病存在潜在关系,但主要就是这几项,并且关系十分明确

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You have middle dialogues where you have to worry about whose views are whose.

对中期对话作品的鉴别,就比较困难,因为你无法明确观点与人物的对应关系

耶鲁公开课 - 死亡课程节选

And because there is an explicit relationship between u, delta u, q and w, you can always find the easy way to derive the change in internal energy or the heat or the work.

因为Δu，q和w之间,有明确的关系，一般来说,内能或热或功的变化,易于计算。

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