Like AdWords, these AdSense advertisements are "contextual" -relevant to the web page's content-and the advertiser pays for them only when a web surfer clicks.

和AdWords一样，这些AdSense也是“情景化的”—跟相应网页的内容有关—只有当广告被网上冲浪者点击的时候，广告主才需要付费。

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AdSense for Games is "an extension of the Google content network that allows advertisers to very easily gain access to in-game inventory, " says Sebastien de Halleux, chief operating officer at social games developer Playfish.

FORBES: Magazine Article

Just before the start of the Labor Day weekend it announced it was cutting off AdMob support for mobile web sites seeking to monetize their mobile web content and pushing them onto its AdSense ad platform.

FORBES: Google Just Made the Line Between Mobile Web and Apps Even Sharper. As It Happens, It Doesn't Matter.