Alexey Milovidov Co-founder & CTO, ClickHouse
阿妈看起来并不想让阿爸过去，“要是诚心叫，不会这样临时叫人”。
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为此，智能体工程通常通过以下几类手段给大模型加“外骨骼”以改善可靠性：引入检索与知识库（RAG）以降低幻觉和知识陈旧的影响；预先设计和约束工作流，而不是完全自由的“自治智能体”，以此限定可接受的执行路径；通过多次回答、自一致性检查或模型间交叉验证，识别并过滤高风险输出；在关键链路节点上设置人工审批，让人类对高风险动作“最后拍板”。
The “Knocking on Wood” Wikipedia page mentions Roud’s conclusion, and this claim of a 19th century origin has circulated online as the final say on the matter. If you go back to the original, though, Roud’s proposal actually ends on an ambivalent note: “Before this theory [of 19th century origins] can be finally accepted, however, an examination of the history of European forms of this custom would be advisable.”