来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第9集 第9集》

• 
  
  there are several downsides of that.
  使得产量越来越少
• 
  
  One is that it costs the farmers money,
  这样做一方面耗费农民的财力
• 
  
  and farmers in lots of parts of the
  而世界上很多地方的农民
• 
  
  world don't have the money to spend on the pesticides;
  买不起农药
• 
  
  but also there's environmental concern
  另一方面又引发了环境问题
• 
  
  about what pesticides are doing to groundwater, etc.
  比如农药对地下水的影响 等等
• 
  
  So if you could develop a strain of crops
  所以如果你能研发出一种作物
• 
  
  that themselves resist the pests that used to feed on them,
  它们能够自己抵抗害虫
• 
  
  then there would be advances from that.
  这是一种进步
• 
  
  This would of course decrease the loss from pests and disease,
  它减少了由害虫和灾害引发的损失
• 
  
  so not only would pests be a problem that
  所以这种转基因作物
• 
  
  the crops--genetically modified crops might help fight off,
  不仅能解决害虫问题