Milton acknowledges that the course he's chosen for himself may not be a natural one: Nature herself pushes a young man to begin a family and to seek credible employment .

弥尔顿知道他选择了一条,不那么正常的人生道路：,天性使得一个年轻人去结婚,去找一份可靠的工作。

耶鲁公开课 - 弥尔顿课程节选

Now here we have a situation where you have a completely concocted food, you have something like Twinkies to begin with, not something found in nature.

面对的全是人工调制食品,而非纯天然食品,以夹馅面包为例

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It may not be at rest to begin with.

它刚开始不一定静止

耶鲁公开课 - 基础物理课程节选

In rare, but not unheard of, cases, some people begin to have those unusual biological processes and then return to the normal biological processes and can talk about what was happening in the unusual biological processes.

在少见,但并非从未听闻的,情况下,有些人开始,经历那样一些不正常的生理过程,然后回归正常的生物学过程,他们可以谈论,在那个不正常的生物过程里发生了什么

耶鲁公开课 - 死亡课程节选

We don't really have a clue yet, or not much of a clue, as to how you could even so much as begin to-- it's not that merely that we don't have the details worked out.

毫无头绪,或者说,无从下手,你如何在这种情形下开个头,我们不只是不知道细节如何

耶鲁公开课 - 死亡课程节选