It is a completely different thing from the Apoikia that I've been talking about.

这跟我之前说过的Apoikia,是完全不同的

耶鲁公开课 - 古希腊历史简介课程节选

Absolutely. But that's a quite different thing and I completely agree with you on that.

的确，这个我讲的是不同的事情,但我完全同意您的观点。

普林斯顿公开课 - 人性课程节选

Maybe A could be the same thing as B in this logically possible world, but we could imagine a completely different logically coherent world in which A was not the same thing as B.

也许在这某个逻辑世界里,A会和B是同一个东西,但我们可以想象,一个完全不同的另一个逻辑世界里,A和B不是同一个东西

耶鲁公开课 - 死亡课程节选