?? “????????????”??? ?
????:1?????????????:???????????
2?600?2??????????
3?????????????
4?????????
5????100?????
???????????????????????……????,“??????+”????????????“?????”??????,??????????,??“????????????????”????,“?????????????”???????????,??,???
????,????????????,????,????????????????????????????????“?????????”???????????,????
?,???????????“??????”,????????????????????????????
??,“????????????????????”???????«????????????????»,?????,???……???6??????????2????8?????????????????15??????????,??????
“??????????????????,?????,?????????????????????”????????,???????????????,?????????,????????????????????,????????
????????????????????????????????????……?????,?????????????,????????????,???????????,???,??????????????????,?????????????????
??????????,???????“???”??,??????“?????????”,?????“?????”;??,??????????????????,????????????,????????????????????;????????????,????,????????????,?????????,??????“??????”??????,????????
????????????????,???????????,??????????????????????,?????????????????????,???,???????,??
???????,??????????,?????????????????????????,????????????????????????,?6????????11???8??31?????,????????,?????????????,??
??,??2.27???????,???????????20.9%??????,????,???????????????“????”???????????“???????????????”,??????????????????,??????????,??????? ????????:?????