This is because an architecture is only concerned with significant elements, and not all design elements can be considered to be architecturally significant.
因为一个架构只是关注那些十分重要的元素，而并不是所有的设计元素都对架构有重要意义。
It is only concerned with those elements that are deemed to be significant.
它只在意那些被认为是重要的元素。
Logic is usually said to be concerned with forms only and to derive the material for them from elsewhere.
人们常说，逻辑只研究形式，而其内容却来自别处。
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