For many of us in affluent regions, our bathroom scales indicate that we get more than enough to eat, which may lead some to believe that it is easy, perhaps too easy, for farmers to grow our food.

• 对我们这些生活在富裕地区的人，浴室的体重计显示我们摄取了过多的食物，有些人可能因此相信，农夫轻易就可种植出粮食。