转换频道不等于会长时间的看，如果看了几分钟觉得没意思就换台则不能说明现在的观众喜欢长时间的广告信息。
Most of the viewers who tuned in to the candidate's half-hour-long advertisement last year did not change channels after the first few minutes.
转换频道不等于会长时间的看，如果看了几分钟觉得没意思就换台则不能说明现在的观众喜欢长时间的广告信息。
Most of the viewers who tuned in to the candidate's half-hour-long advertisement last year did not change channels after the first few minutes.
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