??2??14??? ?,??,??????????????????
??????????????????:???????????
??-????Indy500??????????
??????????????????6???
????????????????????
????????????????????
??:??????????????????
??????:????????????
??????????????????????????
??????????????8???
2017???????????:??????
??????????????????????
??3?????????0.2%
????1???????????????
???:?????????????????????
????1?????????????????
???????100??????????1500
???????3????8????????
?????????????????????????
??????????????????5?
????:???????????????????
2017????????????“??”???
???????????14???????????(?…
????:??5?????????????
??:?????5-0????????????
????????2????????????
????:????????????????