这座“一线城市”太反差！生活气息满满，很多人都想来这里养老？

Group 1 - The article highlights the contrast between the bustling life in first-tier cities and the pressures that come with it, such as high living costs and fast-paced lifestyles [2] - It emphasizes the allure of these urban centers, which attract individuals despite the challenges they present [2] - The narrative suggests a duality in perception, where the vibrancy of city life is both appealing and daunting [2]