?? ????:??????????????????
![](https://image.chezhanri.com/2019/0228/20190228165447382.png)
????:1????????:??????????
2??????????
3??????????
4???????
5??????????????
?????????????????6??????????????????21???????????? (?? ??)??,?????????(?????)??????????(?????????????????????????????)??????????????????21?????????????????,??????????????:???,?????45.3%?
???????????????????“??”?????????????,????????,???????????????????????
?????????,????????????????“??????????????????”???????????“??????????”?“??,???????????”???????????????????????
???????,??????????????,???,?,????????,??????,??????????????,??????????????,????????????????????????,??“????????????”?
???????????????????????1??????????????,????,???????????,??????????????????10???8???????????????????????????,??,?60%,????????????????????????????????????????????????????
????????????????????,??????????????????,???,?????????????????7???????14?????????????????????????,??????????
“??,????????????????,????????,??????????????????????????”??????????????
???????????????????????????,?,??????????????
?????,“??????????3??8??????,??”???,???????????????????,???????,????????????,“??????”?
???“???????????????”,??????????
?????(??????????)????????????“??,??”???(????????????)????,?17??,??,?????????“?????,???????????????????????????,???????”
???????????????????????,????????????????????????????“?”?????????????,???????????????????“???”?????????????????????????(????????????) ??????????????????????:??????????????????????????