In an online community, users can interact with fellow community members by voluntarily contributing to existing discussion threads or by starting new threads. In practice, however, the vast majori...

中文翻译：

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从潜伏者到工人：预测自愿捐款和社区福利

在在线社区中，用户可以通过自愿参与现有讨论线程或通过启动新线程来与社区成员进行交互。然而实际上，庞大的专业...