It has an impact on food security.

如何使用耕地对食物安全有影响。

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Food security and fortunes depend on sufficient rain, and nowhere more so than in Africa, where 96% of farmland depends on rain instead of the irrigation common in more developed places.

粮食的安全和命运依赖于充足的雨水，在非洲尤其如此。在那里，96%的农田依赖于降雨，而不是较发达地区常见的灌溉。

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The authorities urged that every citizen focus attention on the security of food in the early spring.

在早春的时候，政府敦促每个市民关注食品安全。

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The team looked at thirty years' worth of information on food security and agricultural policy in Gambia, Ivory Coast and Mali.

VOA: special.2010.03.23

They attended an international conference on food security and climate change in dry areas.

VOA: special.2010.02.08

Last week,the United Nations held a World Summit on Food Security.

VOA: special.2009.11.23

Quietly, however, some Chinese academics are beginning to criticise the official line on food security.

ECONOMIST: China

President Obama also announced that they had formed a new alliance to focus on food security with African leaders and the private sector.

BBC: Obama: Eurozone 'must focus on jobs and growth'

President Obama also commended these leaders for their leadership on food security and engaged the leaders in a fruitful conversation about how the United States can help Africa harness the potential of its young people and empower the next generation of African leaders.

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