The most common mistake is trimming the nails too short.

人们最常犯的错误就是把指甲剪得很短。

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Trimming strings is not a common performance bottleneck, but it serves as a decent case study for regex optimization since there are a variety of ways to implement it.

修剪字符串不是一个常见的性能瓶颈，但作为学习正则表达式优化的例子有多种实现方法。

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Price cuts are common in the gaming industry to woo buyers, but the move can backfire by trimming revenue.

NPR: Nintendo Chief Rules Out Price Cuts For Wii U