A gradual agricultural revolution in northern Europe stemmed from concerns over food supplies at a time of rising populations.

北欧渐进的农业革命源于人口增长时期对粮食供应的担忧。

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One major cause of this problem is the confusion over food expiration labels, which are currently not regulated by the government.

造成问题的一大原因是食物过期标签混乱，目前不受政府监管。

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Stepping over someone, or over food, is considered insulting.

踩到别人或踩食物被看作是一种侮辱的行为。

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They had plenty of food and a good roof over their heads and the river ran close to their door.

VOA: special.2009.02.28

But over and over again, if you put the bell and the food together, pretty soon the bell will generate saliva.

但是，如果铃声和食物多次同时出现，很快，铃声便也能促使狗分泌出唾液。

耶鲁公开课 - 心理学导论课程节选

You guys over the course of your life have been exposed to an enormous number of food messages-- an enormous number.

在你们的课余生活中已经能,接触到大量的食品广告,真的很多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The flooding shut down the office that normally watched over food safety for those regions.

FORBES: Magazine Article

Except in the rare cases of total market failure (like Darfur and North Korea), cash has huge advantages over food aid.

ECONOMIST: A new market environment

"We know that what we can give is very little, " Mr Correa said as he handed over food supplies to families in La Victoria.

BBC: Colombia flooding continues with thousands homeless