?? ??????????????????:???
![](https://image.chezhanri.com/2019/0313/20190313113002616.jpg)
????:1???????:???????????
2????????????
3??????????
4???????
5?????
?8?????????????16?? ???????????,8????16??,????????????????????
?????????,???????????????,????????????,??????????,?????????????????,?????????????????????????????????????????
????????,??????????????????????????,????????
???,????????????????,???“????”??????????????,?????«????????»????,????,?????????????????,????????????,????????????,????????????????????,????????????????????????????????,???????????????????????????????????????????????? ????:??????