One problem is that many people think windmills are very ugly.
一个问题是许多人认为风车很丑。
Many studies also point out that carbon caps could bring benefits, in the form of factories making windmills, say, or solar panels.
许多研究还指出碳限额能带来利益，比如生产风车或阳电池板的工厂将因此受益。
People in many countries change the design of each of these different windmills to meet local needs and conditions.
许多国家的人会改变风车的设计以适应当地的需要和条件。
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