Oil, gas, coal and timber companies, by contrast, all have to pay substantial royalties, of up to 12.5% of gross income, when they extract from federal lands.

相比之下，汽油，天然气，煤炭和木材公司在从联邦土地上进行开发工作时，都需要支付高达总收入的12.5%的特许使用费。

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Others are longer-term holders, pejoratively referred to as "patent trolls", who are looking for an income stream from collecting royalties.

另一些被轻蔑地称为“专利流氓”的买家会将买来的专利持有较长时间，以获取持续的专利费收入。

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Income from remuneration for personal services, royalties, interest, dividends, bonuses and the lease of property and other income shall be taxed at a flat rate of 20 percent.

劳务工钱所得，特许权力用费所得，利钱、股息、红利所得，财产租赁所得和别的所得，适用比例税率，税率为百分之二十。

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Income from remuneration for personal services, royalties, interest, dividends, bonuses and the lease of property and other income shall be taxed at a flat rate of 20 percent.

劳务工钱所得，特许权力用费所得，利钱、股息、红利所得，财产租赁所得和别的所得，适用比例税率，税率为百分之二十。

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