在过去25年中,石油行业经历的变化也许比其他行业更为剧烈。70年代虽然出现过迅速发展的繁荣时期,但仅在10年之后,垂直下降的边际利润却使其步履维艰。如此始料不及的剧变使整个行业都要为生存而挣扎,通过寻求新的动态平衡来促进经营水平的显著提高。 Over the past 25 years, the oil industry may have experienced more dramatic changes than others. Although there was a period of rapid development and prosperity in the 1970s, it was only 10 years later that the plummeting marginal profits made it very difficult. Such an unexpected turnaround has made the entire industry struggling for survival and has seen significant improvements in its management by seeking new dynamic balances.