Following tradition, they charged according to how many people saw each AD.

虽然紧跟传统，但是Google只根据每个广告的浏览量收费。

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Last year, America's ad market shrank by 9.8%, according to CMR, a research firm.

根据美兰德媒体调查显示，去年美国的广告市场萎缩了9.8%。

youdao

Last year, America's ad market shrank by 9.8%, according to CMR, a research firm.

根据美兰德媒体调查显示，去年美国的广告市场萎缩了9.8%。

youdao