他们认为，也许真有无限多个宇宙存在——这一观点在部分天文学家中也同样流行——并且弦理论的某种说法阐述了其中的每个宇宙。
Maybe, they've argued, there really are an infinite number of universes-an idea that's currently in fashion among some astronomers as well-and some version of the theory describes each of them.
与流行偶像不同，宇航员不会那么风光无限—他们人数众多。
Astronauts, contrary to popular image, don't get to fly much - there are too many of them.
与流行偶像不同，宇航员不会那么风光无限—他们人数众多。
Astronauts, contrary to popular image, don't get to fly much - there are too many of them.
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