Da dou de N zhong si fa

Ben shu yong sheng dong de yu yan gao su xiao du zhe yin zang zai ri chang sheng huo zhong you guan zhi wu fang mian de ke xue zhi shi, Nei rong jian dan shi yong. Nei rong bao kuo:lao shu gen de chi he sheng huo, Qin cai de jin wei sha hui sai ya, Ye zi dui yang guang de ai he hen, Zhi wu ye hui chu da han deng wen zhang.