推出无厘头广告(obscure advertising)，都是针对特定对象发出清楚的讯息。
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obscure advertising
模糊的广告
以上为机器翻译结果，长、整句建议使用 人工翻译 。
More than half of the advertising money came from an obscure nonprofit group, the Economic Education Trust.
NEWYORKER: Covert Operations
T-shirts advertising a new and rather obscure scientific-networking tool of dubious economic value: it was called the world wide web.
ECONOMIST: Computing
The latest keyword advertising battleground is even more obscure.
FORBES: Florida Proposes to Ban Competitive Keyword Advertising by Lawyers
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