基因流是一个由来已久的过程，农民对此有着深刻的理解。 农民种植数百种作物，几乎每一种都通过各种技术进行过基因改造。
Gene flow is an age-old process that is well understood by farmers, who grow hundreds of crops, virtually all of which have been genetically improved in some way with a variety of techniques.