This also makes it convenient for the data service provider to offer new features in newer service versions and not force all consumers upgrade simultaneously.
这也可以让数据服务提供者方便地在服务新版本中提供新特性，不用强迫所有消费者同时升级。
Plus, versioning of services is critical: systems simply cannot be taken down in order to upgrade a service, so this capability needs to be in from the start and managed in a dynamic way.
另外，对服务进行版本管理是重要的，系统在升级一个服务时决定不能被关闭，所以需要从一开始就拥有一个动态管理的能力。
The announcement marks further progress in China's efforts to upgrade the quality of service offered by its blossoming airlines.
这一行动也标志着中国为改进航空公司服务质量而付出的努力取得了又一进步。
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