对话式AI的价值，已经不再停留于会聊天。从相关研究可以看到，它一端连接问答系统，另一端进入公共服务等真实场景。过去用户面对的是网页列表，如今更期待用自然语言直接提出需求，并获得清晰解释。 在教育领域，对话式AI正在从作业助手走向导师。使用�

As smart dialogue systems handle increasingly important tasks, their ability to protect information has become a central design requirement. Users may share business plans, personal questions, and internal documents during a single interaction. A useful system must therefore do more than understand natural language. It must also protect data throug