即便竞争环境复杂多元，但中国市场仍然有着巨大拓展的空间和增长机会。从麦当劳到肯德基，其拓展策略都在指向同一个方向——高强度扩张不会暂停，但增长逻辑已从 “单纯拼开店数量” 转向 “规模与效率并重”。
# Create with a custom label
，详情可参考safew官方版本下载
Storage <|-- DatabaseStorage
Virtual memory is conceptually simple but potentially devastating to performance. Every memory access must go through segmentation (add segment base, check limit) and then paging (look up the page table). Naively, paging alone requires two additional memory reads per access -- one for the page directory entry, one for the page table entry.