We're already using it up in this pi bond here, so that means we're limited to only two other spots on the molecule, so we have three.

我们已经把它用到这个π键里去了，所以这意味着,我们在分子里只剩下两个位置，所以一共是三个。

麻省理工公开课 - 化学原理课程节选

I just believe in a very limited form of democracy whereby we have a constitution that severely limits the scope of what decisions can be made democratically.

我只是支持有限民主,通过宪法来严格限制,可以由民主决议的事项范围。

耶鲁公开课 - 公正课程节选

We know machines have limited capacities to engage in mathematical and logical reasoning, to recognize things, to do various forms of computations, and this makes it at least possible that we are such machines.

我们也知道机器,在数学推理与逻辑推理方面,在识别物体方面,在完成各种形式的运算方面,的确是拥有有限的能力的,这至少说明,人类就是这样的机器

耶鲁公开课 - 心理学导论课程节选