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历经多轮市场周期洗礼，稳居头部的酒店集团正在构建难以复制的竞争壁垒。以华住为例，其供应链优势与会员体系形成双重护城河。在成本控制层面，投资人可依托“华住易购”平台实现透明比价与降价退差；模块化设计大幅压缩新店开业周期，部分项目工期缩短可达五成；集中采购核心物资如床品、智能客控系统等，较加盟商单独采购成本降低15%-28%。
，更多细节参见搜狗输入法2026
By this, she means that existing workers will have to start to produce more goods and services per day of work, or else the country will need additional people entering the jobs market, such as potentially through increased immigration.
// 第一步：倒序遍历nums2，用单调栈计算每个元素的下一个更大值