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。

youdao

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。

youdao

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

That means that automatic ad targeting isn't limited to the relatively small amount of video content generated by media companies and savvy bloggers who carefully label all of their content with text tags, he says.

FORBES: Magazine Article