I'm guessing that it means the result of a survey is not accurate and can mislead people (that's why survey is doubtful). In addition, there are difference between the respondents of the survey. For example, one submits a reply to the survey because of A reason; on the other hand, another person submits a reply of the *same* survey for a different reason.
If you could provide the full topic, we can help more.
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发表于 2009-12-3 12:47:17
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