... occasional income 偶然收入, 非经常收入 oil and gas extraction income油气开采收入 operating income 营业收入[收益] ...
权威例句
1.
States with big energy production, like Louisiana and Oklahoma, also have another reform option: replacing the income tax with revenues from oilandgasextraction taxes, drilling leases and royalty payments.
WSJ: Review & Outlook: The State Tax Reformers
2.
As Peter recently explained, this deduction of 15% of gross income from oil, gas, silver and gold extraction, can be applied creatively and cumulatively on the yearly gross returns from a mine or well.