The sky, the world above, is really bound up with the world below.

高高在上的天空与，下面的世界确实密不可分。

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Now I want to free the sky, far away from the bound of the world.

现在我想要自由天空，远离这个被捆绑的世界。

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When the kite tired of the sky, whether will be duty-bound not to fall into the sea?

当风筝厌倦了天空，是否就会义无返顾的坠入大海？

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The sky, the world above, is really bound up with the world below.

高高在上的天空与，下面的世界确实密不可分。

耶鲁公开课 - 1945年后的美国小说课程节选

The next day I follow a US Airways Philly-bound commuter into the sky and get ready for 11 more hours of flying, determined to make North Platte, Nebr.

FORBES: Digital Rules

Other earth-bound food trends and concepts are also finding their way into the sky.

BBC: A possible end to plane food