此外，发展中国家对动物产品的需求增长如此之快，以至于到2050年时每年将需要额外增加3亿吨谷物才能满足需求。
What's more, demand for animal products in developing countries is growing so fast that meeting it will require an extra 300 million tons of grain a year by 2050.
二百年时间在中国文明史上只不过是一瞬间。
Two hundred years seems like the blink of an eye in the history of Chinese civilization.
不过，想想1993年时中国和印度的前景多么不确定。
But consider the uncertainties of China's and India's prospects in 1993.
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