"They hear the tone in my voice which is the tone of a sergeant. I say: 'Sir,I can see you got your horse all saddled, you need to put that fire out.' They hear that tone, and that kind of tone that I just said, that gets you killed in Mississippi.

VOA: standard.2009.11.25

I wanted to show you that, so, first thing I'm going to do is say, all right, I know I'm going to need square root in here, so I'm going to, in fact, import math.

我们可以开始完成这个方法了，我想让你们看到完成这个方法的过程，第一件事情就是,我们在这儿需要一个求平方根的方法，实际上我将引入math包。

麻省理工公开课 - 计算机科学及编程导论课程节选

Also, this is a slight variation on the "I need" pattern. You can say "all I need is".

同样的，“I need”句型也会有些小的变形。你可以说“all I need is”。

I need 课堂 - SpeakingMax英语口语达人