later on 和later 区别

on这个介词表延续，如go on等
这里later表后来，指后面一个时间点
Later he bought it. 后来他买了那玩意。这里买是一个瞬发的动作。
而later on表一个延续的后来，表示从某一点一直延后
比如He hasn't been smoking later on. 从那以后他再也没吸过烟。