[] () () basic rate (of tax/income tax)the normal level of income tax, that most people or companies pay 基本税率◆a cut of 2p in the basic rate of income tax 所得税的基本税率削减 2%◆The current basic rate of company tax is 30% of taxable income. 目前公司税的基本税率是应纳税收入的 30%。