另外，法律没有解决专利体系存在一个更重要的问题：各类公司为保护自己的点子付出高昂的支出。

Moreover, the law does little to address the more basic problem of a patent system that has grown in expense for all kinds of companies that want to protect their ideas.

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他们无需为保护自己的家庭和企业操心。

They had no homes or businesses to worry about protecting.

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为保护自己的品牌，CNN会识别图片和影像的不同，审核哪些是真品哪些不是。

To protect its brand, CNN distinguishes between pictures and footage that it has vetted as genuine and those it has not.

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