此外，云用户通常必须指定项目结束日期；除非这个日期延长，则云资源会在此日期自动返回可用资源池。

In addition, cloud users must typically specify a project end date; unless this date is extended, cloud resources are automatically returned to the available resources pool on that date.

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有些人认为云比许多私有网络要安全，另一些人则认为云计算可能敞开了更多的安全漏洞。

Some argue that clouds are more secure than many private networks, while others consider that cloud computing may open more security holes.

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这则来自阿富汗的云计算消息令人有点困惑。

There is confusing news coming from Afghanistan about cloud computing.

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