It was difficult for individual samurai overlords to increase their income because the amount of rice that farmers could be made to pay in taxes was not unlimited.
对于单个的武士统治者来说,要增加他们的收入是很困难的,因为农民可以用来纳税的大米数量并不是无限的。
2
And think of the amount this individual produces as depending on effort, which in turn depends on how much of his or her income the individual gets to keep at the margin, i.e.