????:1???guan???:??????

2?????????

3???????????

4????????

5????????

???????????2??4?????????? (? ????????????????????????)?????????????????4????????,???,?????????????

2?????????????1????????????,??10%????????????????

4?????????????????????,????????,????,????????????,?,?????,?????????????,????,???????,??????

???????????????????,?????????????????????????,?????????????????????,?,?????????????????????????(????????????) ????????????:?????