对话式AI的价值，已经不只在于能回答。从三类资料可以看到，它一端连接问答系统，另一端进入健康管理等真实场景。过去用户面对的是标准化流程，实际使用中更期待用自然语言直接提出问题，并获得清晰解释。 在教育领域，对话式AI正在从答疑工具走向导师�

As intelligent chat tools become part of everyday digital work, 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 make secure handli