AI革命正在降温。今天的华尔街日报有一篇长文章，说，AI的改进已经慢下来了；而它的应用领域又非常狭窄；投资巨大；维护成本极高。原文节选：The AI Revolution Is Already Losing Steam.The pace of innovation in AI is slowing, its usefulness is limited, and the cost of run...