Major supermarkets, in meeting consumer expectations, will often reject entire crops of perfectly edible fruit and vegetables at the farm because they do not meet exacting marketing standards for their physical characteristics, such as size and appearance.
出自-2013年12月阅读原文
In some cases the quality requirements are so exacting that even if you wanted to have a human do the job, you couldn't.
出自-2012年12月阅读原文