1 💰 商业科技 Hacker News AI 2026-05-30 💬 Uber and the Bitter Truth About Low AI ROI Uber亲历AI投资低回报的残酷现实，揭示企业AI落地的深层痛点与教训 Comments URL: https://news.ycombinator.com/item?id=48332242 Points: 1 # Comments: 0 uber ai投资回报率 企业ai落地 技术商业化 低roi真相