The best use for it is to stand as a challenge and a departure point to make a better model. A real predictive model of a planetary society would

利用它的最好方式，是把它看成一个挑战，是建立更好的模型的一个新起点。

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Publishers fear any departure from their existing business model and so, with less cause, do authors.

出版商唯恐偏离现有的业务模式，而作家也是如此，只是理由要少一些。

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A novel about a teenage musician is a far departure from the traditional model of a thriller.

一本关于青少年音乐家的小说和一本传统意义上的惊悚小说相去甚远。

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They recently made a huge departure from their initial model and approach.

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The reporting is enriched by it, and represents an important departure from the 20th century model of journalists writing and readers absorbing.

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