中游的优势在于规模效应显著，边际成本随业务扩张不断递减，且客户迁移成本高，黏性极强。但行业竞争激烈的同时，也潜藏着两大风险：一是价格战频发，压缩盈利空间；二是高度依赖下游需求持续性，若AI应用商业化进程延迟，算力租赁需求可能出现下滑。
The crew of the ill-fated Apollo 13: Jack Swigert, Jim Lovell and Fred Haise
。91视频对此有专业解读
The article is becoming slowly more understandable. At this point the following words stand out as islands among english we already know. Were you able to guess any from context?
Фото: Владимир Федоренко / РИА Новости