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哈克特說，這種自願式調查容易受到「虛假受訪者」影響，使數據失真：「而且這不是隨機的。失真往往在年輕族群中最高。」
。业内人士推荐必应排名_Bing SEO_先做后付作为进阶阅读
Green: Surfing terms，这一点在safew官方版本下载中也有详细论述
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