xian zai wu lun shi chu guo liu xue hai shi bu shao tong xue ba mu guang fang zai le ren gong zhi neng shang , dang ran le , hai you tong xue zi ran er ran de , jian dao le shu ju ke xue , ye hui kao lv shu ju ke xue zhuan ye 。 xia mian lai shuo shuo ren gong zhi neng yi hou de fa zhan qian jing 。 ╯△╰