文章提醒了一个常被忽视的约束条件：AI的使用成本。在讨论AI替代人类时，人们往往默认AI是低成本方案，但推理模型和智能体的高昂算力成本意味着，仅凭能力覆盖并不等于经济上的可行替代，成本收益分析仍是决定性门槛。

数百到数千次 LLM 调用完成一次研究任务——这个规模令人震惊。一个用户提交一个研究主题，背后触发的是数千次 AI 推理调用，形成一棵庞大的假设探索树。从成本角度看，如果每次 LLM 调用均价 0.1 美元，1000 次调用就是 100 美元的计算成本。「数周人力工作」的价值与「100 美元计算成本」之间的鸿沟，正是 AI 替代知识工作的核心经济逻辑所在。

for - stats - global annual economic cost of insect pollinators - 235 to 577 billion USD - OECD 2019

for - planetary emergency - economic cost of nature - from an insurance perspective - natural capital valuation - from insurance industry perspective - biodiversity - natural capital valuation - from insurance industry perspective - Swiss RE - Biodiversity and Ecosystem Services (BES) metric - from insurance industry perspective

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