分散剂清除浮油的原理就如同洗涤液除去器皿上的油腻物一般，使海面的浮油沉入水中。

Dispersants cut the oil as washing-up liquid cuts the grease on dishes, allowing oil on the surface to spread down into the water.

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例如，您可以使用一个单独的空白行来除去多行空白行(使用- s选项)，这是一个在您将源代码公诸于世前进行清除工作的好办法。

For example, you can remove multiple blank lines with a single blank line (use the -s option), which is a good way to clean up source code before showing it to the world.

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即使如此，宝钢有必要清除去年税前利润仅仅占2%的残余部分。

Even so, it needs to clean up the rump, which (reportedly) made a pre-tax margin of barely 2% last year.

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