And one can argue that a message transmitted faster than light would, according to some clocks, be a message that arrived before it was sent, potentially unleashing all the paradoxes of time travel.

• 而且我们可以推论，对某些时钟来说，超光速的讯息会在送出之前先行抵达，这将导致各种关于时间旅行的诡论。