1 💰 商业科技 TechCrunch 2026-07-10 💬 Can AI answer the $3 trillion question? 当AI产业需要赚3万亿美元才能回本，一场赌上经济与股市的豪赌开始了。 The AI ROI debate has returned and the numbers are even bigger, as are, perhaps, the consequences. ai投资 经济影响 股市风险 芯片成本 盈利压力