The first is the need for education.

VOA: special.2010.06.24

But first we need to establish a few things about the occasion for this piece and about the genre, the literary genre of the mask in general.

但首先我们必须建立一些,关于此作品与流派，一般文学体裁《面具》的场合。

耶鲁公开课 - 弥尔顿课程节选

In the first example, you could be at a social gathering and you really feel the need for some nicotine.

在第一个例子中，你可能在一个社交聚会上，你特别想找个地方抽根烟。

Do you mind 课堂 - SpeakingMax英语口语达人

Newborns need a vaccination within the first day of life to prevent transmission of the virus from their mothers, and babies need two more doses within the first six months for full immunity.

VOA: standard.2010.07.26

These are the basic theoretical structures that you incidentally need for the problem set, ... the first problem set. The first problem set-- I guess you've--you can turn in your first problem set here before you leave because it was due today.

这些是基础的理论框架,你会在做习题的时候用到它们，第一道练习。。。第一次练习是-,第一次练习作业的截止日期是今天,所以你们在今天在离开前把作业交上来。

耶鲁公开课 - 金融市场课程节选

The first thing we need to do is write the electron configuration for the atom itself, and then we need to take an electron away.

首先我们要做的是,写出原子的电子排布，然后，我们再拿走一个电子。

麻省理工公开课 - 化学原理课程节选

I don't see the need why people need to go to college first or for that matter even go to law school.

我认为没有必要先上本科，然后再上法学院，甚至没必要上法学院。

想成为律师的话 - SpeakingMax英语口语达人