"There has to be a strategy beyond just a 30-second ad.

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There will always he suggests appear to be something ad hoc about the methods used in the study of politics.

主题允许多少精准性？我们如何得知,事情总有，他也提到,总有一些事是特别的。

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You know, you've seen, and there are some products where they sell themselves as no-ad products.

你知道，你也见过，有的产品销售的时候号称无广告产品。

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There are ad valorem taxes of about 2% as well.

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Ad rates are lower and, as yet, there is no ad format that seems perfectly primed to garner audience attention.

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In last year's ad there's a photo of her as a youthful high school cheerleader.

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