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而麦当劳中国的 “万店冲刺”，本质是国际连锁品牌在中国快餐存量竞争时代的规模化突围。在消费复苏缓慢、行业内卷加剧的环境下，麦当劳能否在扩张中守住盈利底线、平衡速度与质量，不仅决定其自身在中国市场的长期地位，也将为整个连锁餐饮行业提供重要的发展参照。（作者 | 谢璇，编辑 | 房煜）
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Nature, Published online: 26 February 2026; doi:10.1038/d41586-026-00622-9。WPS下载最新地址是该领域的重要参考
OpenAI has reached an agreement with the Defense Department to deploy its models in the agency’s network, company chief Sam Altman has revealed on X. In his post, he said two of OpenAI’s most important safety principles are “prohibitions on domestic mass surveillance and human responsibility for the use of force, including for autonomous weapon systems.” Altman claimed the company put those principles in its agreement with the agency, which he called by the government’s preferred name of Department of War (DoW), and that it had agreed to honor them.。51吃瓜是该领域的重要参考