Eric Calais,a geophysicist, says that sudden movement can follow a buildup of stress as adjacent plates struggle to move past each other.

VOA: standard.2010.01.13

Its direct relationship with the thing that's most closely adjacent to it somehow either through similarity or dissimilarity can never be a relationship of identity.

符号和实物之间的关系,即使是最接近的事物,是通过相似处和不同处建立的,但是这不是一种永恒的关系。

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