爱善缘朗嘎拉姆爱善缘 作词:美清作曲:霍伟义演唱:朗嘎拉姆茫茫宇宙大爱无边心中有爱与善结缘爱的路上只为遇见千里相逢心手相牵紧紧握住一个信念画一个同心圆 在爱的人间爱是关怀 爱是鼓励爱是信心 爱是勇敢爱是深
as we know that the trees are recursive data structures, We use recurrsion in writing the procedures of tree like delete method of BST etc.