如果在这些层中没有用正确且平衡的方式分配逻辑，那么将会产生系统随着越来越多的功能的增加，不能适当的演进的风险。
If the logic is not distributed in a correct and balanced way within these layers, there is a big risk that the system will not evolve properly as more and more functionality is added.
这种没有逻辑的分配资金的过程让很多人感到沮丧。
More and more frustration boiled over at how herky-jerky the allocation process had become.
在计算机存储介质上，LUN仅是分配给逻辑单元的号码。
In computer storage, a LUN is simply the number assigned to a logical unit.
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