The main purpose of the layering principle is for lower layers to be unaware of the higher layers they are serving.
分层原则的主要目的是让较低层不知道其所服务的较高层的情况。
The customer experience process obeys the layering principle and therefore does not show any processes beneath the consumer layer.
客户体验流程遵循分层原则，因此并不显示使用者层之下的任何流程。
These views appear to be incompatible, and the first two options break the layering principle (see sidebar), each in different ways.
这些选项看起来彼此不相容，其中前两个以不同的方式打破了分层规则(请参见侧栏的内容)。
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