现在有相当多问答式网站，如雅虎答案，live.com 问答，Yedda， Answerbag，Askville 等。
So there are too many Q&A sites, such as Yahoo Answers, Live.com Q&A, Yedda, Answerbag, Askville, etc..
录音证据以问答式最为有价值。
交互问答平台是从服务而不是技术的角度来实现问答式服务。
The interactive question and answer platform realizes the interrogatory method service not from the technical but from the service.
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