A classic metaphor in biology pictures an embryonic cell at the top of a hill.

生物学里有一个经典的比喻：胚胎细胞就像山顶上的石块。

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We love, love, love the preppy chic look that Emma wore in NYC, July 2007. Mixing a classic pin-striped top with black shorts and silver sandals, she was the epitome of laidback chic.

非常、非常、非常爱艾玛这身毕业生的打扮，2007年7月纽约，艾玛穿着经典的细条纹衬衫和黑色短裤，搭配银色凉鞋，展示其休闲从容的一面。

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This is a classic example of how a top-down scripting problem can be solved, but in the next section you change your approach completely and think in terms of objects.

这是如何解决自顶向下的脚本问题的经典示例，但是在下一个部分中，您将完全改变这种方法，并从对象的角度考虑问题。

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Some had a worse worry: that the canny Mr Safra's sale of his beloved banks was a classic top-of-the-market signal.

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There are many articles on the classic characteristics of double top formations and the 1948 technical analysis classic Technical Analysis of Stock Trends from Robert D.

FORBES: Using Options to Trade Double Tops