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母亲却表现出不悦：“你怎么总把人心想得那么坏？我学点新东西，发挥点余热，有什么不好？难道我什么都不做，你就高兴了？”
。夫子是该领域的重要参考
A notable resource on the topic of ordered dithering using arbitrary palettes is Joel Yliluoma’s Arbitrary-Palette Positional Dithering Algorithm. One key difference of Yliluoma’s approach is in the use of error metrics beyond the minimisation of . Yliluoma notes that the perceptual or psychovisual quality of the dither must be taken into account in addition to its mathematical accuracy. This is determined by use of some cost function which considers the relationship between a set of candidate colours. The number of candidates, the particular cost function, and the thoroughness of the selection process itself give rise to a number of possible implementations, each offering varying degrees of quality and time complexity.
In the 2012 film adaptation of the Dr Seuss book The Lorax, a fable about capitalist greed, air is a commodity.