他们在三天之内就把所有粮食吃光了。
在粮食生产上，这个国家完全做到了自给自足。
食物短缺迫使许多城市人口来到乡下自己种植粮食。
Food shortages forced many townspeople into the country to grow their own food.
给贫困的灾民送去了救济金和粮食。
Money and food were sent to the impoverished drought victims.
它将无法满足全球粮食需求。
有机农业可以用来解决全球粮食问题。
Organic farming may be exploited to solve the global food problem.
以下是缓解当前粮食危机的三个步骤。
例如，农民带了一袋粮食来换取一张票。
For example, farmers brought a bag of grain in exchange for a ticket.
我们应该节省一些粮食，以备不时之需。
这样浪费粮食令人痛心。
这头驴能驮两袋粮食。
当时粮食奇缺。
同时，由于缺乏科学研究，粮食生产也受到了限制。
Simultaneously, food production has been constrained by a lack of scientific research.
这项新技术有可能实现使用很少的水来种植粮食的目标。
The new technology will make it possible to grow food with very little water.
在这种海拔地区种植粮食总是很困难，因为生长季节短。
Growing food at these elevations is always difficult because of the short growing season.
关键是要认识到，可持续农业不仅仅是可持续粮食生产。
What is crucial is recognizing that sustainable agriculture is not just about sustainable food production.
由于无法购买或自己种植粮食，饥饿的人们走上街头乞讨。
Unable to buy grain or grow their own, hungry people take to the streets.
一个关键问题是如何在资源有限的情况下生产更多的粮食。
One key issue is how to produce more food in a world of finite resources.
他们还根据过往经验，为农民提供面向未来的粮食解决方案。
They also offer farmers food solutions for the future, from the past.
一个国家的粮食和农业政策也应以连贯一致的卫生政策为基础。
A country's food and agricultural policy should also be based on coherent health policy.
更糟糕的是，研究表明，到2050年，世界需要的粮食将是现在的两倍。
Worse, studies suggest that the world will need twice as much food by 2050.
由于今年粮食歉收，成千上万的人在挨饿。
Thousands are going hungry because of the failure of this year's harvest.
去年40万英亩的土地出产了价值17.5亿美元的粮食。
Last year 400,000 acres of land yielded a crop worth $1.75 billion.
全球粮食危机：土壤，气候和水。
那些救援机构能获得他们需要的粮食吗？
What about relief agencies. Can they obtain the food they need?
现在，我们的粮食有盈余。
高涨的燃料和粮食价格？
粮食保障成为严重问题。
但是，当务之急是粮食。
但是，当务之急是粮食。
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