It's possible that somewhere, out in the dark, dead Universe, for whatever reason, after a gazillion years, some small bit of space will quantumly jostled, and drop down to that next lower state, the true vacuum.
很有可能在黑暗、死寂的宇宙的某个地方,不知出于什么原因,过了无数年之后,一小块空间会发生量子碰撞,并下降到下一个更低的能量状态,即真正的真空。