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从太空看,地球是一个小小的蔚蓝色星球,它那么美丽,又那么孤独。在茫茫宇宙中,地球上的人类难道就真的没有宇宙中的朋友,太空中真的没有其他生命吗?
From the perspective of space, the earth is a small blue planet. It is so beautiful and so lonely. In the vast universe, do humans on Earth really have no friends in the universe? Is there really no other life in space?