31.与美国相比，中国咖啡消费量最大的增长发生在2006年，超过美国1.5亿杯。
The biggest increase in China’s coffee consumption occurred in 2006, 150 million cups more than that of US.
32.当美国咖啡消费量达到1亿杯时，中国只有240万杯的消费量。
When US coffee consumption had hit 100 million cups, that of China had only 2.4 million cups.
33.非洲人口在17世纪连续出现了5次大幅下降，从最初的8000万下降到了最后的4200万。
The population of Africa experienced five substantial drops in the 1600s, falling from the original 80 million to 42 million.
