1. Without upgrades and new capacity, bridges, roads and power systems are unable to cope with expanding populations. 如果没有升级和新的技能力，桥梁、道路和电力系统就无法应对不断增长的人口数量。
2. Despite all the reliability upgrades, with 70-mile winds, the trees will not just sway but come down on poles and wires. 尽管所有的可靠性升级，在70迈的大风中，树木可不会光摇摆，而是直接砸到电杆和线路上。
3. The G-222 aircraft, which were built between 1977 and 1985, are receiving avionics upgrades, while two will also be given sound-proof, VIP transport modules. G-222型飞机是在1977年至1985年间建造的，目前正在接受航空电子设备升级，其中两架还将配备隔音的贵宾运输模块。
4. As an executive coach, I've seen image upgrades be particularly helpful during transitions—when looking for a new job, stepping into a new or more public role, or changing work environments. 作为一名高管教练，我看到形象升级在过渡时期特别有帮助——当寻找新工作、步入一个新的或更公开的角色，或改变工作环境时。
