?? ????????????? ??????????
????:1????????:????
2??????????
3????????
4?????????????
5???98????
????????6????????????????13??????????????????????? ??????????,???12???,???????
??:???????????????????,????“??”???????“??????????”??????????????????????“???????????????????????”????
??????,?????????????????????????????,???????????,?????????????,???????????????????
??,?????????6????12?????17?????????????????????????????,?????????????????,“?????”?????????????,????????????
???????:??,???,???????,????????????4???????????
???????(ABC)??,?,??????????????12?????????,????“??”?
??,????,??????“??”?
?????:???????????????