但是这次和往常其他的价格冲击是由苏联的干旱和美国玉米带的作物减产引起的。
But this and other price shocks were event-driven—drought in the Soviet Union, crop-shrinking heat in the U.S. Corn Belt.
与往常的寒冷气温不同，像美国东部在过去的两个冬季，已经经历了严寒，仅仅影响了自然变化，这些自然变化受到更长期的气候变暖趋势的影响。
Unusually cold temperatures, such as those the Eastern us has experienced over the past two winters, merely reflect natural variations that are superimposed on the much-longer-term warming trend.
美国2009年夏季和往常一样凉爽，但上个夏季也变暖和了。太平洋西北部是例外，这里比1951 - 1980年的气候要凉快。
The United States, which had been unusually cool in the summer of 2009, was warm this past summer, except the Pacific Northwest, which was cooler than the 1951-1980 climatology.
应用推荐