Taken together, Hanke says, these and other factors have made for a "perfect storm" that relentlessly drives up oil prices with no end in sight. 漢克說，從綜合方面來看，這些及其他因素構成了一個完美的風暴，推動是由價格不斷上升，而且沒有上限。
And yet, unique as this relationship between two countries may be, it is also shaped by general factors which define the challenges facing humanity as our century draws to a close. 儘管兩國人民的關係是獨一無二的，仍由一些普通因素構成，這些因素在本世紀即將結束時明確了人類面臨的各種挑戰。
