Do first things first.

永远先做最重要的事情。

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But first the trial will do two things: it will establish for the first time a body of expert evidence which appellate courts can use to evaluate claims by supporters and opponents of gay marriage.

但此次审理首先将做两件事：它将第一次确立一些专家证言，上诉法院能通过这些证言来对同性婚姻支持者和反对者的主张进行评判。

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The first is the first reason most things in life do or don't happen: money.

第一个原因就是钱，就是它首先决定了生活里大部分事情的可能性。

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During the first days of his administration, he listed the things he planned to do as president.

VOA: special.2009.03.05

I know this is a simple example, but when you mature as a programmer, one of the first things you should do when you sit down to tackle some problem is write something like this pseudo code.

我知道这是个很简单的例子，但是当你们成长为一名程序员后，当你们碰到问题后第一件事情就是,该写一些类似于,伪代码的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

The first step to insight is to ask questions like why do things fall down and not up?

起初的洞察力是问问题,为什么物体坠地而不是上升？

耶鲁公开课 - 心理学导论课程节选

The medical brain trust encouraged Sorger to do two things: first reduce the amount of vibration transferred to the rider.

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt

The temporary nature of the question makes it possible to do two things: first, concede the legitimacy of the other side during the election, and second, come together enough to make progress after it.

FORBES: Is This Election A War For America's Soul?

"The thing that people want to do is settle back in, so one of the first things they do is try to clean up, " says Dr. Joe Guarisco, systems chief of emergency services at Ochsner Health System, which operates in the New Orleans area.

CNN: How to survive storm's cleanup