王伟

　　李丰：那分答，跟知乎LIVE谁更work?　　张雪松：目前更看好知乎。极限运动领域虽然避开了市场竞争，但由于过于细分，这部分爱好者群体有多大并不清晰，依靠细分领域的草根明星来聚集用户的方式也有待观望。鉴于短

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