The large circle is the room that contains the conversation, and the smaller dots are people participating in the conversation.
大圆圈表示包含会话的房间，而小点则表示参与该会话的人。
The large circle is the room that contains the conversation, and the smaller dots are people participating in the conversation.
大圆圈表示包含会话的房间，而小点则表示参与该会话的人。
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