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粮食问题是关乎人类生存的大问题。当今世界存在的一个巨大的矛质是:一方面粮食过剩,另一方面人类面临饥饿和营养不良。这是怎么回事?造成这种矛盾现象的原因何在?请阅本文。
The issue of food is a big issue concerning the survival of mankind. A huge paradox in today’s world is the excess food on the one hand, and hunger and malnutrition on the other. What is going on? What are the reasons for this contradiction? Please read this article.