(??)?????“??”??????

??

???????2????13??????? ????:??“?”?

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

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

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

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

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

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

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

2????13????????????????,??????????????????????73.73?????????? ?????? ?????????????? ???????

?

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

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

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

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

??

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

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

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

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

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

????????:????????

?????????

?????(??)?????“??”???????????

????????