在一个在线社交网络的每个生命周期阶段中，Web 2.0概念都具有重要的影响。
In each of the life cycle step of an online social network, Web 2.0 concepts have a great influence.
我们都知道，眼睛是非常重要的每个人的生命。
As we all know, the eyes are very important to every human life.
我们都知道，眼睛是非常重要的每个人的生命。
As we all know, the eyes are very important to every human life.
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