There, of course, Microsoft had a relatively easy target (Apple) - but it would really be hard to construct an AD that attacks Google's search prowess.

当然，微软的宣传目标比较容易达到(相对苹果来说)，但要想弄出个能和Google分庭抗礼的广告，恐怕还是有难度。

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Viral myocarditis video ad is a relatively new market, and in just a short period of time trying to change the rules of traditional advertising.

病毒性心肌炎视频广告是一种较新的市场，并在短短短的时间设法改变规则的传统广告。

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The online ad has achieved a relatively high click-through rate.

这条在线广告获得了较高的点击率。

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In the old days, agencies used to place an ad in relatively few places.

FORBES: It's 9 p.m. Do You Know Where Your Ads Are?

Of course, that mobile ad pricing upside for Google could be a downside for savvy advertisers that to date have been able to get valuable mobile ad inventory relatively cheaply.

FORBES: In Big Shift, Google Aims To Boost Mobile Ad Campaigns - And Its Own Revenues

John McCain's victory in 2008, by riding momentum out of New Hampshire, then dominating airwaves in a state where TV ad time is relatively cheap.

WSJ: Romney's Rivals on Right Look to South Carolina