手机促进了人与人之间跨越时间和空间的社交联系。
Cell phones foster social connections with peers across time and space.
正如我在第一部分所讨论的，团队跨越时间以及空间的分布给整个软件和系统开发的周期内带来了挑战并增加了复杂性。
As I discussed in Part I, the distribution of teams across time and space introduces challenges and increases complexity throughout the software and systems development lifecycles.
以活动为中心的服务的基础结构必须支持服务之间跨越时间和空间的通信和协作。
The infrastructure for activity-centered services must support communication and collaboration between services across time and space.
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