friendship the older it grows the stronger it is。a father is a treasure， a brother is a comfort， but a friend is both。，one friend in a lifetime is much; two are many; three are hardly possible。疾风知劲草，患难见真情。关于三个人友情的英文句子，a hedge between keeps friendship green。开玩笑总不能化敌为友，反而有时会失去朋友。不到患难时，永远不能认识真正的朋友。a n...
