?? ?????????? ????????????:??
![](https://image.chezhanri.com/2019/0507/20190507111845204.jpg)
????:1??????????:??????
2????????
3??????????
4?????????
5???????
??????????????? ????????????????????????????
???,??,??????????????“??????”???????????????28??????,6??16?????????????8??15????????????,?4.27????/??????6.01???/???????,???????????????40.7%?
???,??????????,???????????,???????????????????,????????????????,?,????
??????????????/?? ??????????????????????????
??????:??????????????,?????????
???????????,????????????:“??????????,?????????????????,?????????????????????????6??????????,?7?????????”???????????????,?????????????????????????“??????,????????????,???????????,??????”???????????
????,?????:“?????????????????,????????????????10??,???????”
?????,???????????????????,???????????????:“????????????????,???????????????????????????,???????????????????????,??????????????????,???”???????,??,???????????
???????????????,??,????,“?????????”????,?????????????????????????????????????????????,“??(4.98?????????/??)??????????????????(5.98??????????????/?????????)??”
????????:?,??????????
??,???????????
??,?????????????????????,??????,??,??????????????,??????????????????????,??“??????????,???????????????????????????,?????????????,???????????????????????”
?????????,???????,???????????20%?“?????????,?????”??,?????,????,??????????????????????????“?????????????????,???????,???????????????”?????,????
??????????:????
??????????????????????,??????????????????,??????“???????????6?????????7????????????????,?????????????????????,?????????????????????,?????????????,????????”?,????????????????????,????“????????”???????????,??????,??????,???????????????????????????????,?????????????????????,?????
??????,?????,?,??????????????????9??????,?????????7??6?????????,?????????????(????????????????) ????????????????:??