伸缩性：就像电视广告，它不花费很多钱增加达到的线上广告活动。
Scalability: Like television commercials, it doesn't cost very much to increase the reach of an online AD campaign.
许多平面及电视广告，看起来就像委员会开会的会议记录，事实也是如此。
A lot of advertisements and television commercials look like minutes of a committee meeting, and that is what they are.
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