Earth, if we're lucky enough -- if it doesn't get hit by a Hale-Bopp, or gets blasted by some supernova nearby in the next seven billion years -- we'll find under your feet.
在接下来的70亿年里，咱们要是足够幸运， 地球如果不被海勒·波普彗星碰撞， 或不被它附近的某些超新星消灭掉——我们会在你们脚下发现线索。