zhi xian zhi fa : zhe shi yi zhong zui jian dan de zhi fa , zhi yong sha xian heng xiang zhi chu yi pai you yi pai de tiao wen , jing chang yong yu zhi zuo di tan wan ju zhi lei de dong xi 。 ta jian dan yi xue , dan shi zui zhong zhi chu lai de chan pin shi zai bu gou piao liang 。 ˋ0ˊ