???????????1???20?,?????,?47?????????????????????,????????????,?????
??“????”?,??????????(John Ross)???,????,?????,???,?????“???????”???????????,??????????,????(???????????????? ????????? ????????????????????????)
?????????????????????:??????
??????????????????????
???“??”???????:??????
????MC?????????????????
????2016???48.6???????4.3%
??????7???,??????!
??????|??????????????
?????11???????????
????????????????????
??:?????0.19%????????
???·?????«??»??????
?????????????????5????
?????????????????????
45????????????????????
?????????“??”??????????
??????????????????????
?????????24400?
??????560?????????2000??
?????????????????5????
?????????:????????????
??????560?????????2000??
??19????????????????????
???????????????GB????
???:???????????????????
???????????????????????
??19????????????????????