我们继续告诉我们自己我们虽然是人类，我们住在文明，而且我们长大 在不同的文化背景之下。
We keep telling ourselves we are human being though, we live in civilization, and we grow up under different culture background.
但是不幸的是我们对于外星文明到底住在什么地方毫无概念，当然也不知道他们的信号到达我们这里要走过多少距离。
Unfortunately we have no clue where an alien civilization might be located, and what distances its transmissions must cover before being received on Earth.
虽然文明已经改善了我们的住房，却不能同样地改良居住在内的人类。
While civilization has been improving our houses, it has not equally improved the men who are to inhabit them.
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