而真正的大奖是解决以下这个天文学中最棘手，但也是最根本的问题：宇宙是有什么构成的？
And the real grand prize is helping to solve one of the trickiest and most fundamental puzzles in astronomy: What is the universe made of?
关于它是由什么构成的，人们有各种不同的看法，但大家一致认为，有这样一种本质是存在的，也就是说，有一种东西可以作为人就是人的依据。
There were various views about what constitutes it, but there was agreement that such an essence exists—that is to say, that there is something by virtue of which man is man.
实际上，没有人知道美梦是怎么构成的，为什么我们要做梦，我们在睡梦中度过人生有什么意义。
And really, no one knows what sweet dreams are made of, why we have them or even what we're doing sleeping our life away anyway.
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