I can hardly imagine that people will like to live under the ground, without the sky and the sun.

我简直难以想象人们会喜欢住在没有天空没有太阳的地下。

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The town saved the night sky by building a new system of lights that lit up the streets without influencing the view of the sky.

小镇通过修建一个新的路灯系统保住了夜空，这个系统可以在不影响天空视野的前提下照亮街道。

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Without the extension, Sky Express would have ceased operations the weekend before the crash.

WSJ: Bus driver to serve 6 years for deadly Va. Crash

Its Iridium satellite-based global phone system switches all calls in the sky without using any ground stations, an impossibly difficult task.

FORBES: Magazine Article

And it is far from clear that people will want to buy all their services from one supplier, even if they can be beamed down from the sky without having to bother with a cable or telephone line.

ECONOMIST: Murdoch’s big birds | The