Others claimed there was a division of scientific opinion on the issue and that the AD should therefore not have attributed global warming to human activity.

其他投诉则声称这是个存在意见分歧的科学问题，因此该广告不应当将全球变暖悉数归咎于人类活动。

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In a 15-second AD, every frame is precious and, therefore, carefully designed.

在15秒的广告里，每一框架都是宝贵的，因此，是精心设计的。

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Therefore, taking advantage of AD device and digital filtering technique to realize mixing and other frequency transformation function is a comparatively advanced, novel and practical method.

因此，采用AD器件和数字滤波器技术实现混频等频率变换功能，是一种比较先进和新颖并且实际可行的方法。

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David Poltrack of CBS said that interviewees often under report TV watching, and that the research by Arbitron that is usually cited -- which conveniently points to more viewing and therefore more ad dollars -- is machine-recorded, and therefore more reliable.

ENGADGET: DVR use does/doesn't boost viewing hours

The Federal Election Commission (FEC) ruled it was the equivalent of an attack ad, and could therefore not be paid for with money from for-profit corporations.

ECONOMIST: Lexington

This is deadly for ratings and therefore for ad revenue.

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