?? ??????????????
????:1???????:?????v
2??????
3?????
4???sn??
5????????
?1?????17? (???? ?)???????????17?????«???????????»?
??????1??15???????????????????20???????????????,??1263??????????????????????????????????????????“??????????”????????????????????????????“????”???????????????????????????
???????“????????”??,6??????????????????,???????????????????????,??????????????
“??,???????????20????????????,?????????????????????????????”????????????????????,???????????“?????,??????,????????????????????????????????????”??
????,?,??500??????????????????????,“?????”????????????????,??????????,?,????;????,???????,???????
????,??????????????“????”????,???????
????????,??????????????????????“??????????????????????????????????????????”??????,?????????????????????,???????????????????????????,??????????,??????????“??????”????????“??????????????????”?,???????????????????????
??????,????????????40????,?23%??????,???????,???????2???????,?????????1????,??????????????????????1????,?????,???????????,???,??????????????????????????????????????,?????????????(??) ?????????????????????:?????