translation.en: This farmer, for example, has invested 16,000 pounds in growing spinach, not one leaf of which he harvested, because there was a little bit of grass growing in amongst it.
translation.zh: 举例说，这个农民投资了16,000英镑 来种菠菜，但是没有收割一片叶子， 因为菠菜之间长了一些草。