suo lüe yu- yi xue jian yan hua xue shi ji- yi xue jian yan suo lüe yu- yi xue suo lüe yu- he ji shu fa yi xue jian yan suo lüe yu- ying yu suo lüe yu- ying yu- ke xue ji shu 21 shi ji ke xue qian yan yi xue jian yan suo lüe yu- fa yu