??2???????????9??????(?????????????? ??) 9??,????????????????????????????????????????????????????3000????????????????
?????????????,??,?,????,??????????????????,??
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????,??,??,“???????????,???”? ?????????????:????????????
?????????????????
??!?????????????????
??????????????5???3???
??????????404????(?)
??3?????????0.2%
???????100??????????1500
2017????????????“??”???
????:??5?????????????
??!?????????????????
???????????????????
????????????????????
??????????????“??????”
??????????????????5?
?????????:????????????
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PPI??5????????????
????1?????????????????
??2??????2?1600?????2?
??-????Indy500??????????
??:4?27????????
????2016????2146??????????…
??????????????8???
??:???????????????????
????2016????2146??????????…
???:?????????????