Producing a single calorie of beef can, by some estimates, require eight or more calories of grain feed, and expanded meat consumption therefore has a multiplier effect on demand for grains.

据估计，生产单位卡路里热量的牛肉，需要八倍以上的谷物饲料，而且肉类消费的增长会引起对谷物需求的乘数效应。

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The World Health Organisation has predicted that meat consumption will double by 2050, and the increasing cost of animal feed is likely to rapidly inflate the price of meat before then.

世界卫生组织已经预测，肉类消耗在2050年将会翻倍，而且随着动物饲料成本越来越高，很可能在那到来之前肉类价格飞速上涨。

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Animals are used to feed us, and there is a process in the raising of those animals, from birth to consumption.

动物都是用来为我们提供肉食，饲养动物有一个从出生到消费的过程。

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Investors are warming up to technology that promises to produce healthier crop efficiently and promote local consumption, given the challenge of managing the existing land, water and other resources to feed a growing population worldwide.

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