We can't know exactly and this is one of the wonderfully unsettling things about this stanza we can't know exactly to whom Milton is addressing this stanza.

我们不能确切的知道,而这也是这一段很奇妙的不确定性所在,我们不能确切的知道弥尔顿这一段是在对谁讲话。

耶鲁公开课 - 弥尔顿课程节选

And so this is not like a math problem set or a physics problem set. Or, like a high school physics lab, where we all know what the answer should be, and you could fake your lab results anyway.

或是物理问题集合,又或者是高中的物理实验室，我们对这些问题都有确切的答案，或者你可以把你的实验结果改成正确的，有些事情是不能明确界定的。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's crucial to you to know exactly what it means and why what it means is important.

对你来说，知道它的确切的意义，以及解读它的重要性,都是十分关键的。

耶鲁公开课 - 文学理论导论课程节选

If I want to move this stack here, I'm going to take a stack of size n minus 1 move it to the spare spot, now I can move the base disk over, and then I'm going to move that stack of size n minus 1 to there. That's literally what I did, OK?

如果我想移动这些圆盘，我先把从n-1个圆盘1,移动到多余的柱子上去，这样我就能把最底下的圆盘放到这儿了，然后再把从n-1个圆盘放到这儿来,这就是确切的我怎么做的对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选