So they asked to come to Gonaives. "I couldn't tell them no because they were the ones who took care of my daughter in Port-au-Prince."

VOA: standard.2010.03.30

There's absolutely no reason I couldn't have switched it around and said that instead the pi orbitals form between these atoms instead of those first atoms I showed.

我完全没有理由,不能把它转过来,现在π键在这些原子间,而不是我开始展示的那些原子间。

麻省理工公开课 - 化学原理课程节选

But you agree that there is no reason why somebody else couldn't come along and say, "You know what, I want to use a different set of axes.

但是你们得认识到,没有人会站出来说,"我想要用一套不同的坐标系

耶鲁公开课 - 基础物理课程节选

So, let's just arbitrarily put it between these two in this case here, but actually there's no reason we couldn't also put it between oxygen b and c, so I'm going to draw another structure where we have it here.

那么，让我们任意地将它们放在这两个之间，但实际上我们没有理由,不能把它们放在氧原子，B，与，C，之间，因此我将把另外一个结构画在这里。

麻省理工公开课 - 化学原理课程节选