单词start-from-scratch
na.: 赤手空拳地开始；从起步线跑；从零开始；从头做起
网络: 白手起家；从头开始；缺省设置
Very few project teams have the benefit of being able to start from scratch, something often referred to as greenfield development.
几乎很少项目团队有从头开始（通常指绿地开发）的好处。
As obvious as this should be, it"s often helpful to be able to clean up what you"ve done and start from scratch.
显然，如果能够清除所做的工作，然后重新开始新的工作常常是有益的。
Yes, Sanders, in a few days (9 to be exact) things will suddenly change for you as if you were about to start from scratch.
是的，散沙，在几天（9是精确的）之内事物将会突然为你改变好像你正要从头开始。
Chandler can only imagine what it would be like to feel camaraderie with the thousands who lost everything and had to start from scratch.
钱德勒只能凭想象享受与成千上万名失去了一切而不得不从头开始的美国穷人的阶级感情。
Two basic books that start from scratch and are very easy to read.
两本由基本概念开始，十分易懂的书
Because large portions of the Mac OS were still based on creaky old code, Apple decided that it had to start from scratch.
由于很大一部分的MacOS仍基于陈旧的代码，苹果公司决定另起炉灶、从头开始。
Most development projects do not start from scratch, but attempt to use an existing code base.
大多数开发项目并不是从零开始的，而是尝试使用一个已存在的代码基础。
"A foreclosure would be devastating, " he says. "My wife and I would have to start from scratch. "
“止赎会让我们一无所有。”他说，“我和妻子将不得不一切从零开始。”
Without a work permit and no working experience, he had to start from scratch and humble himself in looking for a job.
没有工作准证，再加上毫无工作经验，他必须从头开始，将就地找工作。
Let us begin as though we know nothing about it at all and start from scratch.
让我们这样开始，就好像关于觉察我们一无所知，从头开始。