新一代AI助手的价值，已经不只在于会聊天。从三类资料可以看到，它一端连接问答系统，另一端进入日常陪伴等高频场景。过去用户面对的是标准化流程，现在更期待用自然语言直接提出困惑，并获得可执行方案。 在教育领域，对话式AI正在从作业助手走向导师�

The rise of online dialogue begins far earlier than AI assistants. In the period of mainframe dominance, computers were large, scarce, and difficult to operate. Work was usually handled through queued jobs. People prepared paper tapes, submitted machine-readable tasks, and waited for a printer to