一定是 c n yi ding shi he xin qi kan ma
一定是 c s c d yi ding shi he xin qi kan ma
一定是 c s s c i yi ding shi he xin qi kan ma
c s c d shi yi lei he xin qi kan ma
核心 c s s c i qi kan shi yi lei he xin ma
e i shi yi ji he xin qi kan ma
一定是 e i yi ding shi he xin qi kan ma