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目前，我国国内粮食产量５亿吨，而世界粮食贸易总量不超过２亿吨，把全世界的２亿吨贸易粮食拿到中国来，也养活不了中国人，中国人还是要自己养活自己。此外，中国在粮食贸易中具有典型的大国效应，比如中国一进口大豆，芝加哥市场的大豆价格马上就会攀升，国内企业见到价格?
At present, China’s domestic grain output is 500 million tons, while the total amount of grain trade in the world does not exceed 200 million tons. It is not enough to feed 200 million tons of trade grain from the world to China. Chinese people still need to feed themselves. In addition, China has a typical big-power effect in food trade. For example, if China imports soybean, the price of soybean in Chicago market will immediately rise and the domestic enterprises see the price?