Ben shu shou xian cong li lun shang dui xian dai ren de jiao lü jin xing le fen xi, er hou ju ti chan shi le qing nian, zhong nian he lao nian ren ge bu xiang tong de sheng cun zhuang tai yi ji you ci er chan sheng de ge zhong ge yang de xin li wen ti, zui hou xi tong tan tao le ying dui jiao lü he jie jue ge zhong xin li wen ti de cuo shi he fang fa.