????:1??????????:???????????

2???????????

3???????

4???????wx

5??????????

?????:?12????,?????(12??????1?)?????????????????????????,?,??????????

“??”?????

????????????????????????«???????»12????1???,«?????????»????????????????,???????;????“??”??????????????

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

12???????????????1???????????????,???????????????«??????????????»??«????»???????,????“??????????”“???????????????”????????????????????????????????????????:????????????????????????;?????;????????????????????????????????????????,???????????

???????????

??12?????1??,«????????»??,??0.5??????,???????????,????????????1.5%,???????1%,?0.5%(????????)?

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

?????????????????????????«?»,????????????12???????1??????????????????????????????????,????????????,?????????????20%???????

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