The interest of money is proportionably so.
货币的利息是成比例的。
The state not knowing how to tax, directly and proportionably, the revenue of its subjects, endeavours to tax it indirectly by taxing their expense, which, it is supposed, will, in most cases, be nearly in proportion to their revenue.
国家不何直接和按比例对其臣民的收入征税,试图通过对他们的支出征税来间接征税,据推测,在大数情况下,支出几乎与他们的收入成正比。