顶级的超市将禁止销售许多转基因的食品。
Top supermarkets are to ban many genetically modified foods.
为什么欧洲近乎所有的地方没有转基因食品与转基因作物，而美国超市中75%的食品—包括许多称之为“自然”的食品—都受到转基因污染？
Why are there basically no genetically engineered foods or crops anywhere in Europe, while 75% of U. S. supermarket foods - including many so-called "natural" foods - are GE-tainted?
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