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

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

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

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

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

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

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