It is clear that we are just an advanced breed of primates, on a minor planet,我们人类也不过是高级灵长类动物，生活在一颗小星球上，orbiting around a very average star, in the outer suburb of one among a hundred billion galaxies.绕着一颗普通的恒星转动，我们生活的银河系之外还有上亿个星系。But, ever since the dawn of civilization,然而，自人类文明诞生以来，people have cra