I'd say that the very first step is to follow the Single Responsibility Principle.
我想说的第一步就是遵循单一责任原则。
2
In Step 1, the principle characteristics of the solution are agreed upon. These can include essential solution features and key actions to be taken to deliver it.
第一步，对于方案的原则特性达成一致，这些特性包括方案的基本特点和要发布的关键点。
3
If, in principle, you agree with the sentence then skip to Step 3, otherwise consider the following.