There is that sense of space, of expansiveness, the possibility of travel.

这是一种空间感，延伸感，对旅行可能性的感受。

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But decades of observations of deep space make that possibility seem unlikely.

不过几十年来的深空观测表明，这样的可能性极小。

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But decades of observations of deep space make that possibility seem unlikely.

不过几十年来的深空观测表明，这样的可能性极小。

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