You feel physiologically aroused but you're not completely sure why, and you have to make up an explanation for it.

你感觉到性觉醒,但是不能确定是什么原因，你不得不给出一个解释。

耶鲁公开课 - 心理学导论课程节选

Well, there's an explanation of how it could be that things that are not themselves perfectly round could remind us, could make us think about perfect roundness.

这也许解释了为什么有些,本身并不是那么圆的东西,会让我们想到正圆这个型相

耶鲁公开课 - 死亡课程节选