Ma ma yu er zhi shi bai ke

the long version

Ben shu jie shao le dui ying you er jin xing zao qi jiao yu de ke xue zhi shi, dui yu ying you er de jiao yu you mi qie guan xi de wen ti zuo le quan mian chan shu, ming que shuo ming le zai zhe guo cheng zhong fu mu ying gai zen yang qu zuo cai neng da dao pei yang you xiu bao bao de mu de, tong shi ti chu le zai jiao yu guo cheng zhong ke neng chu xian de zhong lei wen ti yi ji yu dao ci lei wen ti shi ying cai qu de chu li fang fa.