不仅难在想出一个好主意，而把一个新奇想法变成一个有利可图的产品更是难上加难。

It is not just that a good idea is hard to find. Turning a novel thought into a profitable product is arguably even harder.

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九十年代末，华尔街日报的一个新闻记者产生了一个新奇想法，他要在公司早期的网站上刊登一份573页的文献，用以支持另一篇文章里的内容。

In the late 1990s, the early years of the Wall Street journal's website, one of the paper's journalists came up with the novel idea of Posting online a 573-page document that backed up an article.

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So, the curious thing about recursion is that pretty much always can you implement this idea of doing the same thing again and again and again but with smaller bytes each time.

可见，递归算法中新奇的一点是,为了实现一个想法,你可以一遍又一遍地做相同的事情,但每次的规模都会有所减小。

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