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

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

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

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

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

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