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

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

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

??

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

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

??,???,???:“???????????”

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

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

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

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

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

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

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

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

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

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

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

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

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

???:?????

??

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