The ultra sharp, closed cutting system avoids pulling for a more comfortable trimming experience.

超锐利，封闭切割系统避免了更舒适的减肥经验拉。

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"He came to us before the 2008 election and said that everyone keeps talking about reducing oil reliance and cutting greenhouse gas emissions, but no one knows which approaches are more cost-effective than others, " says Phil Sharp, president of RFF.

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