负面广告是指试图通过毁坏对手形象、攻击对方人品或者在某些问题上的表现，说服选民选举某候选人。

Negative advertisements that try to persuade voters to choose a candidate by making the opposing candidate look bad, by attacking either the opponent's character or record on the issues.

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虽然双方展开了负面广告大战，但是专家们说，很难确定人们是否注意这类广告，也很难衡量这些广告的影响。

But with both sides firing off negative ads at each other, experts say it is hard to know whether people are paying attention or to gauge the impact.

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而某些党派在国会的少数人则希望他们对这些特殊利益集团及其现状的维护会给他们带来大量攻击其对手的负面广告。

And a partisan minority in Congress is hoping their defense of these special interests and the status quo will be rewarded with a flood of negative ads against their opponents.

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