Zooming costs of processing and distribution have created a strange paradox. Higher farm prices instantly bring increases at the grocery checkout, but retail food prices can also go on rising while farm prices drop sharply.

• 加工和销售费用的激增，造成了如下荒唐现象：农产品抬价会立即引起食品零售价的上涨，但是即使前者的价格猛跌，零售价照样可以上升。