No. I mean, there are reasonable philosophical or scientific grounds for worrying about each one of the premises.

不,我是指,我们有合理的哲学,或科学依据使我们,怀疑这的每一个前提

耶鲁公开课 - 死亡课程节选

Now once again, there is this sort of the skepticism about skepticism.

又一次，我们有了对怀疑主义的怀疑。

耶鲁公开课 - 文学理论导论课程节选

Let me disclaim, too, we're by no means perfect so the Harvard courses APP that a lot of you used on the web to shop for courses, we recently sent out a form to get feedback from everyone because we don't doubt that it was imperfect the first time around, but we're going to iterate and make amends with that.

我不是说，我不是说要完美,你们大部分使用哈佛大学课程APP来在网上选课,我们最近给你们发了一个表单，从你们那里,得到反馈，因为我不怀疑,第一次时它是有瑕疵的,但是我们将反复地道歉。

哈佛公开课 - 计算机科学课程节选