And if they're 50 light years away, and we call them up, and you blah, blah, blah, blah, blah, and then 50 years later it comes back and they say, Please repeat?
而且，如果他们离咱们50光年远，咱们给他们打电话， 然后你叭啦叭啦说了一大堆， 50年后收到回复，他们来了一句：“请再说一遍？”