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。

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The appliance drives the application of the fix or upgrade after it has taken and stored a snapshot of the entire environment to provide a simple rollback capability.

该设备获取并存储了完整环境的快照，以提供一个简单的回滚功能，从而推动了补丁和更新的应用。

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But, if you read between the lines, part of the message here is that Windows 7 adoption has not taken hold yet, and Microsoft is still hustling to convince businesses to upgrade.

但是，如果你能领悟出其中的言外之意，这里部分的信息是说Windows 7的接受程度尚未在其把控之中，微软还在努力敦促企业进行升级。

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Given the amount of time the company has taken to launch this upgrade (Playbook was launched in April with the next upgrade scheduled for October), we expected this version to finally provide all the above mentioned functionality that should have actually been present in the original version.

FORBES: RIM Tries Again With Playbook, Fails To Impress

"Our competitors have taken a smartphone operating system, and they're trying to upgrade it into a tablet operating system, " Lazaridis said.

CNN: RIM's BlackBerry hits a technical crossroad

India has been pressing for a rating upgrade on the back of the several reform measures that the government has taken since September to revive investments and growth and to rein in its fiscal deficit, which has been under watch by rating agencies.

WSJ: S&P Rules Out India Rating Upgrade