Prices for basic foodstuffs like corn and wheat remain below their 2008 highs. But they're a lot higher than they were before "the food crisis of 2008" took hold.

基础食物（如玉米和小麦）的价格依然低于2008年的高水平，但是高于“2008年食品危机”爆发前的水平。

youdao

Plant-based foods like beans, rice, corn and wheat have the smallest influence.

豆类、大米、玉米和小麦等植物性食物的影响最小。

youdao

Though crude oil is the main ingredient of gasoline, processed foods like cereal, crackers or cookies use only a small amount of corn, wheat and other grains, limiting manufacturers' pricing power.

尽管原油是汽油的主要成分，而在谷类食品，脆薄饼和饼干的生产过程中，只需要使用非常少量的谷物，小麦和其他原材料，限制了制造商对价格的控制。

youdao

Another is how much it's processed and how if you take things that started out as food like wheat or corn, and then they're processed many different ways, and things are added to them or done to them that change their chemical properties, does that affect whether we would consider them food?

另一个是它们被加工过程和程度,比如对于用来食用的麦子和玉米,有很多种加工方式,可以向它们添加一些东西,或进行一些加工去改变它们的化学性质,这会影响我们去判断它们是否为食品吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Prices for basic foodstuffs like corn and wheat remain below their 2008 highs.

FORBES: The Food Crisis Of 2011

Commodities have surged past equities since the beginning of the year, as demand issues and political uncertainty push oil up to record marks and weather patterns across the globe have caused lower crop outputs for commodities like corn and wheat.

FORBES: As Oil Surges, Confidence Stays Elusive In Markets

The appealing idea is that native plants like switchgrass and agricultural leftovers like wheat straw and corn stover could be turned into ethanol.

FORBES: Field of Dreamers