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

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

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

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

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

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

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

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

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

??????

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

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

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

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

??

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

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

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

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

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

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

??

??:???????????,??????????,??????????????