A United Nations report says world food prices stayed the same in August. Prices were unchanged after rising sharply in July. A summer of drought in the United States and Russia has reduced expectations for corn and wheat supplies. 联合国的一份报告称8月份全球粮价保持不变,粮价继7月份急剧上涨后就没变.美国和俄罗斯的干旱夏季使得人们减少了对玉米和小麦的产量预期.
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