?? ???????:?????????????
![](https://image.chezhanri.com/2020/0319/5f5bc1f57613f6a769b9e4cad2d50fdd.jpg)
????:1????????:???????
2???????????
3?????v?
4???????????
5???????
???????6?????27????????? (? ?????????)????????27???,??????,?????????“????”,??“?????????”,?????“?????????,??????????”
????,?,?????????????????“??????????”????,???????????????????????????????,?????,???“???????”???????????
“????,???????”???????????,????“????????????”,???“??????????????”,???????????,“???????????”??????“????”,????????????“?????????”??“???”????
????????,??,??????????????????????????,??????????????????????????“?????????,??”
????????,?????21???,????“??”??????“????”???????????????????“??????”????????????
????,????,???????????,????????????,?????,?????????????????,?????“?????,????,????,????”?(???????????) ???:???????????