The question of the possibility of life beyond Earth, as framed by the Drake equation, can be quantified to show that habitable environments for life as we know it are commonplace in the Galaxy.

中文翻译：

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宜居潜力

由德雷克方程构成的地球以外生命可能性问题可以量化，以表明我们所知道的生命宜居环境在银河系中是司空见惯的。