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

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

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

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

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

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