RUP 提供对概念和工作流的普通理解，并且它从模板和开发过程中各点的核对清单开始。
RUP provides a common understanding of concepts and workflows, and it comes with templates and checklists for various points in the development process.
当你将脑中记得的所有东西都放进购物车时，再用清单核对一次。
Use the list once you have put every item you can think of in your cart.
渐渐地你发现你开始能够区别孩子不同的哭声。 也许不需要每次孩子一哭就去核对上面的清单了。
Over time, you find that you begin to recognize the difference between your baby cries, and probably not need to go right through the checklist every time baby cries.
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