(??)??“??????”?????

??2????????????????????????????13?????? ???????????:????????????“??????”????????????

??? ?

????20??????,??????,????????????“???”???

??????????????

?????????????,??“clean”(???????????????????)?,???????????14????????????????????:“??????????????,?????????????????,??????????????????????,??????????”

??????,???????1999??????????????????,?????1???????????“???,???????????????(???????????????)???????,????????????????”

???????,??,???:“???????”

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

???????

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

“????????????,?,???,??????????????”?????,?????“?????,??????(???????)????????????,???”

??,29????????????“???????????”??????“???????(???????)????????????????????,???????,??”?????,????,???????

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

?????

???,???,????????????,??,??????

?????????,???????????,??????,?????????????,???????????,???1????????????,???????????????

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

?????????????“???????????”?????,??????,??????????????????,????????“???????????????”?????“???????????????,????,?????????????‘????????’?????????????????”

??,????,??,???????“????????,?????????,?????????”(???????????)