??????????2?????????????14????????(???????? ?????)????,????????????????????(?????)?????????????????????,?,??????,??
?????,?????,????????????????????????,?????????,????????1973???,17??,???“?”??????????????,“???,??????????????50??”?
????????????????30?????,???????????????,?????????????,???????
“???,???”,????????????????????,???????????????????????,?????????,???????????,????????????
?????????,????????,?????“????????”“???????”“??????”????,???????????,??????????“??”???????????????
????????????,??????????,???????????:“???‘???????????’,????,?????”???????,?????????,????,??????????????????????????????
1998????????,???,?????????????????????????,?????????????????????????“?,???????”????????????????????????????????????“????????75???”??????????,????«?»,“?????????????,????????????,?????”?
????????????,??????,???????“?????80?????????????????????????,????????????????,???«????»??‘??????,?????’?”????????(????????)
???:???
???:???????????????
?????????5.5%??????1????
???????:???????????
??21?????????????????4?
???????????????????
??!??????????:???????
?????????????????“??”
??WTI????50???????
?????????????????
??:???????????21????
???????????????????
????????:??????????
???:??????????????????
??«??»,????????????
??:“??+????”?????????
??????????????????????
???????????????????
???????????????:????
??????????????????????????
17?????????????3???????
??????????????
?????????????????????
?????????????????
15???????????????????
????:????????????????????