A top US agriculture official has warned that unless countries take immediate steps to sharply boost agricultural productivity, food output and reduce hunger then the world risks fresh social instability.
一位美国农业高级官员警告说,除非各国立即采取措施,大幅提高农业生产率、粮食产量,减少饥饿,否则世界可能面临新的社会不稳定。
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