In writing, you find symmetry at every level, from the phrases in a sentence to the plot of a novel.

在写作中，你会发现从句子中的短语到小说的情节，每一个层面都是对称的。

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In writing you find symmetry at every level, from the phrases in a sentence to the plot of a novel.

在文字作品中你能在各个层次发现对称，从一句话里的短语到小说的情节。

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However, a simple two-dimensional density plot of this function immediately gives us a good feeling for the simple and beautiful symmetry contained in the original formula.

然而，该函数的简单二维密度绘图马上给我们一种清晰的感觉，那就是在原公式中包含的简单而漂亮的对称结构。

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