In 1919, he wrote an anonymous letter to the Times urging the wealthy to impose a voluntarytax upon themselves to help relieve the burden.
1919年,他匿名致函《泰晤士报》,呼吁富有者缴交一笔志愿税,以减轻国家负担。
2
He favours a voluntary cap-and-trade system for curbing carbon emissions, which is like arguing for a voluntary income tax.
他赞成用一种自愿的碳交易体制来降低碳排放,这有些像自愿为自己的收入纳税。
3
He favours a voluntary cap-and-trade system for curbing carbon emissions, which is like arguing for a voluntary income tax. As it happens, he favours a voluntary income tax, too.