粮食保障成为严重问题。
Food security has become a critical issue.
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粮食保障陷入了危机。
Food security is in a crisis.
贫困是影响粮食保障的一个主要根源。
Poverty is a major cause of food insecurity.
未来我国粮食总量上有很高的保障率。
China will be capable of assuring aggregate grain supply at the national level.
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