全球对玉米需求的不断增长导致了玉米市场价格的急剧上涨，而玉米价格很可能继续保持在高位。
Escalating worldwide demand for corn has led to a sharp increase in the market price of corn, and corn prices are likely to remain high.
这就减少了价格弹性，并在粮食短缺时期造成食品价格的急剧上涨。
This has reduced price elasticity and caused a sharp rise in food prices during times of food shortages.
2007 ~ 2008年世界粮食作物价格的急剧上涨的原因很大程度上要归结于各国长期的农业政策。
The world food commodity price spike from 2007 to 2008 was largely attributed to agricultural policies.
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