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

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

3???????

4??????????????

5????????????

??12???20? (???????? ???????????)???20??,??????????3?,???“???”???,???????“??”????????,????“???????”???????????????66??,???500???(??),????????????490??????????????????(??????????),????????????????200??????????

??????????,???????,?????????????????;????,??????????????????????????,???????????????????

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

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