Level 2 introduces a standard set of verbs so that we handle similar situations in the same way, removing unnecessary variation.

第二级引入一组标准的动词，这样我们就可以用相似的方法来处理类似的问题，这消除了不必要的不确定性。

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Use standard comments to hide code without removing it.

使用标准注释来隐藏代码而不是删除。

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Experts say that new methods are needed because the standard practices - using insecticides and removing the standing water where mosquitoes breed - have not proved sufficient.

专家们表示，需要新方法，因为事实证明，使用杀虫剂及清除蚊子赖以繁衍的积水等常用作法不够有效。

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The letter complained of a double standard toward imagery on the site in light of past controversies over Facebook removing more innocuous content, such as photos of women breastfeeding.

CNN: Under pressure, Facebook targets sexist hate speech