three days later和in three days 有什么区别?

问题描述:

three days later和in three days 有什么区别?

in three days经常与一般将来时连用,如How soon will he return?答:He will return in three days.表示“他三天后回来”.
three days later常与一般过去时连用,表示一个“过去发生的动作”,比如讲故事的时候常说——Three days later,the man died alone.三天后,那个男的死了.