送交者: meiyou 于 2008-09-03, 14:42:17:
回答: 那就有说有人为操纵因素了,也就有了政府与油商影响油价的可能性 由 blackbox 于 2008-09-03, 14:36:43:
They have to do it in a subtle manner:
They keep oil cheap enough so other energy sources can not compete and they keep oil price high enough that they can make more money.