?????2???????14???????(????? ????????)????,?????????????????????????????(????????????????)???????????????????????,?,????,????
????????????,?????,????????????????,?????????,????????????1973???,17????????????????,????????????“?????”?????,“????????,?????50??”?
???30?????,????????????,????????????,????????????
“??????,???????????”,???????????????????,????????????????????????????????????,??????????,???,????
??????????????????????,??????,?????“????”“????”“???”??????,??,??“???”?????
???????????,????????,???????????????:“?‘??????????????’,???????????,???????????????”??,?????????,??????????,????????????????????????????????????
1998??????,????????????????,???????????????,???????“?,?”??????“??????75????????????”????????,?????????????????????????«???»,“????????????,????????????????,????”?
???,??????,????????“?????????????????????????80??????,???????????,?????«??»???????????????????????‘??,??????????????’?”???????????(????)
??:??
??????????:??????????
???????????????5??3???
????:???????????????
?????????????????????
??????????????????????????
46???????????????????
??:??“????”???????“??”
????????????????????
?????????????????????
????????:??????2?????
????:2016???62.7???10?5?
???:???????????????
?????????????????????20%
???????????????????
??????????????????????
??WTI????50???????
?????????6.5??????????
????????????:????????
???????:????????????
????????:??????2?????
????????????
??:???????????????
??????400?????????????
???«?????»:???????????
??:???????????9???