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

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

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

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

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

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