Symbols are more difficult than signs to understand and to define because, unlike sings and signals, they are intricately woven into an individual's ongoing perceptions of the world.

符号比标记更难理解和解释，因为与信号和标记不同，符号是与个人对世界的不断感知交织在一起的。

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It begs the difficult questions of creativity, continuity and contrast implicit in an intricately layered social, cultural and aesthetic reality.

WSJ: Cooper Union's New Building, at 41 Cooper Square | By WSJ Architecture Critic Ada Louis Huxtable