The big disadvantage of this ad hoc approach is that it can be extremely slow, and it will be expensive if you do a lot of searching.

这种特别方法的 最大缺点在于速度特别慢，而且如果进行许多次搜索的话，成本很高。

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Various programs in the us which created anti-smoking AD campaigns and limitations of cigarette smoking in media have already been shown to be extremely effective.

在美国，许多抵制或限制烟草的节目已被证实是非常有效的。

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So although the chances of seeing a standard banner ad pop up on your Facebook mobile profile are extremely slim, the revenue potential is extremely large.

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Much to our surprise, a majority of folks were not only well aware of Verizon's ad campaign and were intrigued by the Chocolate itself, but were also extremely impressed with the phone in person.

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The Nike ad may be offensive to those who don't quite understand sports culture, or work in extremely competitive environments such as sales, or Wall Street, and even politics.

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