????:?????
???????????????:??????????
????????????????????
?!????????????
???????????14???????????(?…
???????????????????«??»
????????!???:?????????
2017????????????“??”???
????????????????????
????????????????????
?????????68?????????????
????????????470?:???3?1?
??????Indy500????F1????
??3?????????0.2%
???7??????????????????
??????????????????????
????????????54???
????1?????????????????
????:2016????300??????????…
?!????????????
????2016????2146??????????…
??2??????2?1600?????2?
????????????200???????
???????????:??????????
???????????????????«??»
????????????????????