Shapes are even more abstract than lines, because they're really just higher level constructs formed by perceived edges.
形状甚至比线更加抽象，因为它们实际上只是由感知的边构成的更高层级结构而已。
Shapes are even more abstract than lines, because they're really just higher level constructs formed by perceived edges.
形状甚至比线更加抽象，因为它们实际上只是由感知的边构成的更高层级结构而已。
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