He took some very drastic actions of firing the whole police force and recreating it from scratch.

VOA: standard.2009.09.01

So it's generally called distribution code and whereas for the previous problems that you pretty much started from scratch, blank files you opened up nano and there was nothing there unless you put it there.

它一般被称作分布码，然而,对于之前几乎要从头做起的问题,在空白文件中什么都没有,除非你在里面写入些东西。

哈佛公开课 - 计算机科学课程节选

and we had to start from scratch together. We did all of our research in the library together.

我们必须从零开始。我们一起在图书馆做研究。

在模拟审判课堂 - SpeakingMax英语口语达人

He created just about the biggest private equity firm from scratch in 1985 and I guess they just went public and they have a huge market cap.

他于1985年白手起家,创建了最大的私募股权公司,后来公司上市,市值相当可观

耶鲁公开课 - 金融市场课程节选

Right now, we're finally getting to the point of scratch which can take some input from the user.

马上，我们能接近scratch的关键了,即从用户那里获取输入。

哈佛公开课 - 计算机科学课程节选

Well, what is code like that from the world of Scratch gonna look like?

那么像Scratch那样的代码,长啥样子呢？

哈佛公开课 - 计算机科学课程节选

You're not going to start for the rest of your life if you ever need to solve a problem with a computer from scratch, odds are you're going to reach for some off the shelf packages or libraries or tools that other people wrote so that people like us don't have to reinvent the wheel again and again.

如果你想用Scratch来解决问题,却使用其他人写的程序,或者利用现成的资料或工具,这样以来,我们的确可以避免做重复性的工作,但却永远学不会编程。

哈佛公开课 - 计算机科学课程节选