During the 1990s, when oil was cheap and biofuels unheard of, demand grew by 1.2% a year, according to Goldman Sachs.
During the 1990s, when oil was cheap and biofuels unheard of, demand grew by 1.2% a year, according to Goldman Sachs.
据高盛公司统计，上世纪90年代在石油很便宜且生物燃料尚未引起人们注意的情况下，谷物需求每年的增长幅度是1.2%，而近几年则达到1.4%。