The lack of verbal distinction between different types of “dirty” has not made communicating the idea of recycling easy, but now the tribe has no less than five different sacks to choose from.
缺乏语言来表达各种不同的“脏东西”使向村民们传递回收的概念不太容易，但是现在部族里有了不少于五种分类的垃圾袋。
Hydropower is clean, from the point of view of greenhouse-gas emissions, but most of the easy alternatives, notably coal, are dirty.
从温室气体排放量的角度来看，水力发出的电力是属于环保型的，但是许多容易被选择的资源却具有污染性，特别是煤。
You should definitely feel a little bit dirty the next time you write a scriptlet, given how easy it is to do the right thing by writing a custom TagLib instead.
下次您再编写scriptlet时，肯定会觉得有点“不舒服”，因为通过编写自定义Taglib可以更轻松地完成正确的事情。
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