There's no distance between U and me.
Among the friends there was Sally's mother.
从这两个句子 就可以 轻易看出 between用于两者之间 （between them的them也指两个人） 而among用于三者以上（包括三者）
between 与among 的区别
There's no distance between U and me.
Among the friends there was Sally's mother.
从这两个句子 就可以 轻易看出 between用于两者之间 （between them的them也指两个人） 而among用于三者以上（包括三者）