Process and notation have to be formally (or at least semi-formally) defined, just like in any other project or design methodology. SOAD does not have to start from scratch.

正如任何其他的项目和方法一样，必须正式（至少半正式）地定义 流程和 表示法。

youdao

If you go to your local branch, at most Banks you'd have to start from scratch with your story: "I had a look at these products, I requested the following information... can you please help me?"

如果你前往你当地的银行分支，在多数银行你将不得不从简述你的情况开始：“我已经看过那些产品，我要求下列信息…你能帮我吗？”

youdao

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。

youdao

"Unlike a banker, I expect everybody at Orix to forget what they did yesterday and start from scratch each morning, " he says.

FORBES: The sun also rises

I'll have to start from scratch learning a new job and taking a pay cut at the same time.

BBC: Out of work: Your stories