I've gone over this argument at such length because, I hope it's clear, I think it's a pretty interesting argument.

我用这么长时间研究这个论证,我希望是清楚的，是因为这是个很有意思的论证。

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While many could debate that point at length, it's clear that Microsoft's competitors aren't letting it stand in their way.

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But Hogan says that's the not the case this time, adding Clear Channel will be paying Arbitron though the length of its four-year contract.

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He has made it clear, most recently, when he discussed it at length a couple of weeks ago.

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