????31????????????

???????2??14???? (???????? ??????)?14???????,???8.5??????,?????????39.2%,???1993????????????????????????????????????,??????????????????,??????????,??,?????

???,???,??“????????,??‘?’??????????????????????????????????????????????????‘????’?????????????,???????????50%,?????????????,?????????????????????”???

??????????????????????????????????????????????,???????????????????????????????????????????????????????????????????,?,???????????,???????????????80????????????

?????????12?????????????????????????,??,?????

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