However, a number of stores have recorded poor overall sales by volume and the ongoing confusions due to the staff taking AD hoc absences will further worsen the situation.

然而，一些商店的整体销量记录已经很惨淡，又由于员工的临时缺席将持续混乱的情况进一步恶化。

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Second, because display ads drive consumers down the funnel so that they click more on search ads and eventually become a customer, this process also increases overall ad cost due to additional search clicks.

FORBES: Search vs. Display Advertising: Which Promises More Bang for the Buck?

But the business model is unproven, and ad dollars will initially be a fraction of the industry's overall revenue.

WSJ: Advertisers Gather Around as Publishers Tout Bells and Whistles of Apple's iPad

However, in developed markets, the company saw a significant improvement in pricing, and as Facebook matures, the overall growth rate will slow and the impact of the ad pricing change will be more visible on overall revenue growth.

FORBES: All Eyes On Facebook's Mobile Growth And Graph Search Progress