The former are a reductio ad absurdum of the latter precisely because both claims follow from the same philosophical approach to rights — they are differences in degree, not in kind.

两者都基于相同的权利哲学，前者恰恰是后者的重复，它们的差异，只是量的差异，并不存在质的区别。

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SOPA targets search engines, Internet service providers, AD networks and payment networks precisely because those components are so central to the functioning of the Internet.

SOPA精准地瞄上了搜索引擎，在线服务提供商，在线广告上和在线支付公司，因为这些公司是互联网运行的核心部分。

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To wring the most out of the ability to target consumers precisely on social media, ad agencies are making big changes to their campaigns.

为了尽最大可能在社交媒体上精确定位用户，广告商们在策略上做出巨大改变。

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Cable companies such as Comcast are courting campaign dollars by promising even more precisely aimed ad placement than is possible on local TV.

ECONOMIST: Political ads and media firms