首席设计师哈里·韦斯特突然想到了一个主意：他们的问题的解决方案是一个带有一次性清洁表面的拖把。
An idea popped into lead designer Harry West's head: the solution to their problem was a floor mop with a disposable cleaning surface.
容量、冗余和可用性基础介绍在设计一个高可用性解决方案中包含的基本概念。
The basics of capacity, redundancy and availability introduces the basic concepts involved in designing a high availability solution.
它们来自于外面的世界，特别是创新性的解决方案。 而设计者就是引进这种思想的最佳人选。
New solutions, particularly innovative solutions, come from outside- and designers are the people who import this kind of thought.
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