By comparison, there are about 45 minutes of ads during the National Football League's much longer Super Bowl games.

通过比较，在国家足球联盟的广告时间有大约45分钟，比超级杯比赛要长很多。

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Comparison shopping engines like Bizrate, Shopzilla, and Nextag can serve display ads based on the products people are searching for.

像Bizrate、Shopzilla和Nextag这样的比较购物引擎可根据用户搜索的产品提供显示广告。

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Exchange buys are still nominal in comparison to the total of ads placed on the Web each year.

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Her strategy was to drown out the campaign of Jerry Brown, a former governor and current attorney-general but a pauper by comparison, with constant and ubiquitous attack ads, forcing him either to spend his money early or to leave her attacks unanswered.

ECONOMIST: The California governor's race

For one thing, print advertising, even though it is diminished, still pays the bulk of the freight for newsrooms, with web ads paying just pennies on the dollar in comparison.

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