?12??18?? (?? ?????)????(CBA)??19??????18???????,?????98???????????????80??,?6???

??????????,????????????14????4?????????????,????????????13??5????????????????????38???????,????????12???????????

????,??????????????,????????????,?????????,???12?????1??,????????14??????

???????????,?????????????????,?18?????,?????????,?12?????????????2?????,?????????,???5?,??

?????????,??????,???????16???????????,??????????????,????98??????80??

???????30?,?22?13??????8????,?15?6??????,??22??????6????????4??,????????12?3?????2??

?????,??:“??,??????????????????,???????????,?,??”

??????,?15?4?????,?(15????????3?),??????????????(??) ??:????? ??“?????”????

?? CBA:?????18?? ??30????????

????:1??????:???????v

2??????

3????????

4??????vx

5???????????

?12??18?? (?? ?????)????(CBA)??19??????18???????,?????98???????????????80??,?6???

??????????,????????????14????4?????????????,????????????13??5????????????????????38???????,????????12???????????

????,??????????????,????????????,?????????,???12?????1??,????????14??????

???????????,?????????????????,?18?????,?????????,?12?????????????2?????,?????????,???5?,??

?????????,??????,???????16???????????,??????????????,????98??????80??

???????30?,?22?13??????8????,?15?6??????,??22??????6????????4??,????????12?3?????2??

?????,??:“??,??????????????????,???????????,?,??”

??????,?15?4?????,?(15????????3?),??????????????(??) ??:?????