The key is to make the code more reusable, easier to read, and less mistake prone.

最关键的是，可以增强代码可重用性和阅读性，减少出错的可能性。

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David decided it would be less painful to pass the mistake to the customer than to confront his colleague or superior about it.

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The effect of the Rangers' depth and Tortorella's willingness to use it is obvious: By playing less, a defenseman is less liable to make a mistake out of fatigue.

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President Bush seems less likely to make that mistake.

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