The superiority of produce, which in consequence of this undivided attention, they are enabled to raise, is fully sufficient to pay the whole expense which the maintenance and employment of the unproductive class costs either the proprietors or themselves.

由于这种全神贯注的关注，他们得以提高生产的优越性，这足以支付所有者或他们自己为维持和雇用非生产阶级而付出的全部费用。