So doctors must use stronger, "second line" drugs when the first ones fail.

VOA: special.2009.03.25

Now as an aside, I'll admit this is a completely useless program, much like the first couple of ones we did because why would you write a program just to solve this?

说点题外话，我承认这是一个完全无用的程序，跟我们之前写的两个程序一样,我们为什么需要写个程序来解决这个数学运算呢？

哈佛公开课 - 计算机科学课程节选

Once we can do that we can go on and say okay, what actually is a wave function, but first we need to know how to describe which ones were talking about.

我们就可以继续并说波函数到底是什么,但首先，我们需要知道，如何描述,我们说的,是哪一个波函数。

麻省理工公开课 - 化学原理课程节选

"So I think they get more nervous. When I am climbing out the window to climb on a ledge, the first ones go, 'Whoa,whoa,whoa,wait!'

VOA: standard.2010.07.26

First of all, iron weapons, not bronze ones.

首先,铁制的兵器,而非青铜的

耶鲁公开课 - 古希腊历史简介课程节选

We did make errors, but we had a lot of fun doing it. Being the first ones to do something that gigantic was very exciting."

VOA: standard.2009.08.14

And even if over a period of time the average amount of their regard is lower because they started lower and then got higher than someone who was always high, it's the ones who were first lower who then went up that capture our attention.

即使在一段时间内,他们对我们的评价依然不高,但是因为起点较低,只要是在日益改善，总比一开始就对我们评价好的人更有吸引力，正是开始低而慢慢增加的人,会引起我们的注意。

耶鲁公开课 - 心理学导论课程节选

"Parents and caregivers; the family members are the first ones who introduce vocabulary.

VOA: standard.2010.05.05

But now, it has come to light that they are the ones that do get credit for first really coming up with this idea of a spin quantum number, and it's interesting to think about how the politics work in different discoveries, as well as the discoveries themselves.

但现在我们,知道他们是,最先想出自旋量子数,这个概念的人，看各种发现中的,政治学是十分有趣的，和发现本身一样有趣。

麻省理工公开课 - 化学原理课程节选

"We honor the women who traveled those lonely roads to be the first ones in those court rooms, to be the first ones in those board rooms, to be the first ones on those playing fields, and to be the first ones on those battlefields.

VOA: standard.2010.03.08