Then one can imagine mirrors at the edges of one's light earth tube that mirror oneself back into oneself and all others back unto themselves.

随之你可以设想在这光明地球管的边缘有镜子，将自己反射回自身，而所有他人反射回他们自身。

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Imagine taking a tube, placing the Earth inside of it, and projecting the Earth's image onto the tube along that line.

想象有一个管道，将地球放于其中，沿着直线将地球的图像投影到管道中。

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The rest of us humans are outside, but inside the test tube of planet Earth.

我们其他人都在生物圈二号的外面，但处于地球这个大试管里。

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The heating and cooling systems use air that has been earth-tempered drawn into a large tube and passed through the ground, which has a consistent temperature that is cool in the summer and warm in the winter.

BBC: The futurist: The sustainable Spaceport America