Quite a lot of people can undergo feeling of loss after they retire, and we may help them with our care and concern.
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They would get together exchanging ideas and discussing the problems they were confronted with when they stayed in Silicon Valley in the 90's.
老太太望着在诺曼底登陆日阵亡的孙子的照片，满心悲伤。（gaze upon，fill with）
有人担心机器人（robot）有一天会成为世界上的主宰力量。（someday，dominate）
下面选项中的哪些是计算机？
A. 台式计算机
B. 笔记本电脑
C. 服务器
D. 路由器
E. 手机APP应用程序
F. 计算器
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