?? (????????)???? ???????????
![](https://image.chezhanri.com/2019/0708/20190708102559607.jpg)
????:1???????????:??????
2??????????
3??????????
4??????????
5???????
?????7????30??????????????????? (???? ???????)30???,???????????????????,???4:1???????????????,?????????
???????,??,?????8??,??????????????????????????,??
?????????????????,??,?,????????????????????11:4????????,??
????????????????,????????????????????????,???????,??????,???????????????11:9?11:9?11:8????????
“??”??,?????????,???????,????????,????????
???????,??????????????,????????,???????????,“?????????,??”
????????????,????,?????????,?????????????????????,???????????,??????,“????????,?????????”(??) ???:?????????????