粮食价格波动部分归因于需求不断的增长。
人口在不断地增长。反之,降雨量在减少、土壤肥力在下降、粮食价格在飚升,使得非洲极易受到饥荒的侵袭。
A combination of increasing population, decreasing rainfall and soil fertility and a surge in food prices has left Africa uniquely vulnerable to famine.
人口在不断地增长。反之,降雨量在减少、土壤肥力在下降、粮食价格在飚升,使得非洲极易受到饥荒的侵袭。
A combination of increasing population, decreasing rainfall and soil fertility and a surge in food prices has left Africa uniquely vulnerable to famine.
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