尽管世界距离这一目标还有很长的路要走，但和消费者驱动的美国的做法欧洲的监管已经证明，如果被鼓励或被要求这样做，农民会改变方针。
Although the world is a long way from that goal, consumer-driven practices in the United States and regulations in Europe have demonstrated that farmers will change their approach if encouraged or required to do so.