所得税的英文：
tax on one's gains
income tax

参考例句：

Federal income tax
联邦所得税

Application of preferential income tax rate, and exemption of income tax
适用优惠所得税税率，及所得税免除

disposable income
扣完所得税的收入

Where the technology supplied is advanced or the terms are preferential, exemption from income tax may be allowed.
其中技术先进或者条件优惠的，可以免征所得税。

The income tax is to be reimposed next year after ten years' exemption.
所得税经过十年的豁免后将于明年重新征收。

The book value or undepreciated cost of an asset for income tax purposes.
计税基准是计算所得税时使用的资产帐面价值或资产的未折旧成本。

The primary services offered by CPA firms include auditing, income tax services, and management advisory services.
注册会计师事务所提供的服务主要包括审计、所得税筹划与安排和管理咨询等。

Income Tax Payable
应交所得税

Income taxes payable
应付所得税

Enterprise(corporate)income tax
企业所得税

tax是什么意思：
n. 税金；重负
v. 向…课税；使负重担；谴责

For information on taxes and filing, talk with a professional tax preparer or tax attorney.
想了解有关税收申报方面的信息,可与税务专家或者是税务律师联系。

Tax cheats have declined.
偷税逃税事件已有所减少。

They hoped for a modification of English taxes.
他们希望英国能减轻税收。

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。

gains是什么意思：
v. 获得；获利；增加；走快；到达
n. 增加；利润；收获

No pains, no gains.
不劳则无获。

This ticket will gain you admission [will gain admission for you].
这张票将使你得以入场。

Its gain is the product of the gains of its constituent branches.
它的增益等于它含有的分支的增益的积。