"A decision that I consider to be not only be unwise, but in fact based on a refusal to face the fact that what we are involved with here is a war with people who follow a religiously-based ideology that calls on them to kill us,and to return instead to the mindset that prevailed before September 11,2001,".

VOA: standard.2009.11.25

So, I infer the existence of atoms based on the fact that doing that allows me to explain things that need explaining.

所以说我推测原子的存在是基于,该假设使得我能够解释,所需解释的一些现象

耶鲁公开课 - 死亡课程节选

In fact, until we do electricity and magnetism the next semester, everything's going to be based on just the laws of Newton.

其实,在下学期学习电磁学之前,所有的内容都是基于牛顿定律的

耶鲁公开课 - 基础物理课程节选

And we Americans are going try to live up to them to prove that governments can in fact, be based on these values.

我们将试图,坚持这些价值观，从而证明事实上政府可以建立，在这些价值观之上。

普林斯顿公开课 - 国际座谈会课程节选

I think, for example, in my own relationships,talks about my marriage, where I have to be vulnerable, I have to take a risk, where in fact I have to be willing to change my mind about my reading of the situation, based on my own fears and insecurities and anxieties.

举我自己的感情，我的婚姻作为例子吧，在婚姻中我会很脆弱，我必须冒险，而且，我必须愿意去改变自己,对当前状况的解读，不安全感和焦虑的影响而变得盲目。

普林斯顿公开课 - 人性课程节选

But they're not accurate all the time in predicting bonding within molecules, and the reason for this is because Lewis structures are not, in fact, based on quantum mechanics.

但它们在预测分子内,成键时不总是正确的，这是因为Lewis结构，实际上不是基于量子力学的。

麻省理工公开课 - 化学原理课程节选