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The company does not disclose details on the Journal's performance, but executives there say that like the rest of the industry, they have seen a significant decline in advertising revenue.

该公司并未发布华尔街日报的具体业绩情况，但那里的工作人员表示，如同业内的其它企业一样，华尔街的广告收入已出现大幅减少的态势。

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Audit your advertising performance frequently. Ineffective advertising must be stopped immediately.

经常性地检查您的广告效果。

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In general, you could say that there are two types of advertising: brand advertising and performance advertising.

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Performance advertising, on the other hand, is measured and paid based on some metric of success: a click, a purchase, etc.

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This trend is readily evident in the IAB Internet spending reports for the last three years, where performance based advertising has gained share at the expense of impression based advertising models.

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