A space elevator would be cheaper.

太空电梯会更便宜。

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Scientists hope to build the space elevator by 2050.

科学家们希望在2050年之前建造太空电梯。

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A space elevator could make it easier to go into space.

太空电梯可以让人们更容易进入太空。

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Advances here will inform the more scifi-ish imponderables like a space elevator, and asteroid- or moon-mining.

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And that really might just be the last piece of the puzzle we need to build that desired space elevator.

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Perhaps the most notorious of these ideas is the space elevator, which Clarke writes about in The Fountains of Paradise.

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