目前，通过正式和非正式的多种渠道快速传播各种消息。

News now spreads rapidly via a multitude of formal and informal channels.

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对群组聊天的需求并不如即时消息那样普遍，在日常工作过程的非正式联系中也不那么有用，但在特定情况下，只有群聊才能发挥作用。

Group chat is slightly less common a need than IM, and is less useful for informal access in your daily workflows. But for certain use cases, only group chat will do.

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