?? ????A?????“??”
![](https://image.chezhanri.com/2019/0517/20190517172705964.jpg)
????:1????????????:??????????
2??????
3???????
4??????????
5???????????
???8??20?? (??????? ???????????)20????????????,?A??????????:????,????????????A????“??”?
??,???1.91%,?2.28???(??????????,??),??????????2.26??,?????????A????
??,??A??,??????,??????(?)????(?????)???(?????)?????(???)?????(????)?
????A????,????0.1%,???????????????“???????”,?????????20%,??????,????????????????????,?????????,?????????“????”?????????
??,???????????????????,??:???,????;?;?????????????????
?????????,????,???????????????????????????????2866????,?0.93%;???8252??????????,?1.24%;????????1567??????????????,?1.34%?(??) ?????:????