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In short, no pattern is an isolated entity. Each pattern can exist in the world only to the extent that is supported by other patterns: the larger patterns in which it is embedded, the patterns of the same size that surround it, and the smaller patterns which are embedded in it.

简而言之，没有模式是孤立的实体。每种模式只能在其他模式支持的范围内存在:嵌入它的较大模式、与它相同大小的模式以及嵌入其中的较小模式。

— Christopher Alexander 克里斯托弗·亚历山大