long before ,before long的区别
问题描述：
long before ,before long的区别
答
long before:很早以前
before long：不久以后
答
long before 很久以前
before long 不久（之后）
提供两例句供理
Animals Laughed Long Before Humans.
动物在人类之前就会笑了。
We will see film before long.
我们不久就能看到那部电影了。
答
long before
很早以前
before long
adv.
不久以后
before long(=soon)与long before的区别：before long“不久”、“很快”,用于各种时态.例：We'll meet again before long.long before是“很久以前”,单独使用,一般用在过去完成时的句子里.例：They said they had seen the film long before.同时,long before后可以接从句.I had seen the film long before you saw it.
答
long before 很久以前
before long 不久以后