时下,石油价格不断飙升的问题,困扰着我们每个地球人(现代地球人几乎无一例外地要依赖石油而生存)。在国际石油市场上,原油的单个交易日价格,甚至突破了47美元一桶大关,大有向50美元一桶疯奔之势。油价的上涨,引起了世界各国的广泛关注和不同程度的忧虑。例如,对于平均每两人就拥有一辆汽车的德国来说,油价的波动紧紧牵动着消费者的心。消费者必须把原本可花在 Nowadays, the problem of soaring petroleum prices has plagued every human being on our planet (modern Earth people almost rely on oil for survival almost without exception). In the international oil market, the price of a single day of crude oil even broke through the barrel of 47 US dollars a barrel, a great move toward a 50-barrel crash. The rise of oil prices has aroused widespread concern and varying degrees of anxiety among all countries in the world. For example, for Germany, which has one car on average for every two people, fluctuations in oil prices affect consumers’ hearts. Consumers must have spent the original