The sky is clear and bright without a speck of cloud.

天空晴朗， 一星星云彩也没有。

《新英汉大辞典》

Without gravity to help circulate air, the carbon dioxide you exhale has a tendency to form an invisible cloud around your head.

如果没有重力帮助空气循环，你呼出的二氧化碳会在你头顶周围形成一个看不见的云状物。

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However, the shift of applications to the cloud is not without its disadvantages.

然而，应用程序对云的变革也并非没有缺点。

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He says his startup would not have been possible without cloud computing.

NPR: Practically Human: Can Smart Machines Do Your Job?

Many of the startups he works with would not have been able to get off the ground without cloud offerings such as that Cycle is offering.

FORBES: How Cloud Computing is Fueling the Next Startup Boom

Microsoft is still without a cloud offering in core business software.

FORBES: Larry Ellison's Netsuite Takes On Foes (And Himself)