人类也不是生下来就是大聪明，从婴儿到成人，吃喝拉撒 20 年，还得加上学校教育、社会教育，这些都消耗食物、水、电等等能源。如果算「全生命周期成本」，AI 其实挺高效的，训练一次，就能无限次回答问题，而人类每次思考还得再烧脑子——大脑耗能约 20 瓦。
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10171-w
，详情可参考safew官方下载
这种差异，决定了中美AI产业未来十年的竞争力分野。
The build-out to make AI adoption widespread will likely come with significant upfront costs. For countries that already deal with constrained public finances, AI’s capital costs could end up “sharpening the policy tradeoff between assuming higher near-term fiscal risk and delaying participation in AI-driven growth opportunities,” the analysts wrote.