1 💰 商业科技 TechCrunch 2026-07-08 💬 Microsoft joins AI cost-cutting trend by relying more on its own models 微软为削减AI成本，转向自研模型替代外部依赖，商业策略新动向。 Microsoft is the latest Silicon Valley giant to cut back on its AI spending. 微软 ai成本削减 自研模型 商业策略 office365