長篇大論滴,俺可木有精力去翻譯。
Is Organic Food Really Organic?
http://sandiegofreepress.org/2013/01/is-organic-food-really-organic/
Organic Food -- Is 'Natural' Worth the Extra Cost?
http://www.webmd.com/food-recipes/features/organic-food-is-natural-worth-the-extra-cost