What expenses can you offset against tax ?

什么开支可以获得税项减免？

《牛津词典》

But a society would want compelling evidence that the social contract had been torn up before flexing the tax system to offset what may turn out to be only temporary fluctuations in relative incomes.

不过，在实行税收体系弹性以抵消可能只是暂时性的收入浮动之前，一个社会要想找到自己是公民社会的强有力的证据，很有可能会被打倒。

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Chris Briem, an economist at the University of Pittsburgh, thinks a commuter tax would help offset costs.

匹兹堡大学的一位经济学家Chris Briem认为非居民税可帮助补偿开销。

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So U.S. companies doing business in Japan were stuck paying excess tax (tax in excess of the U.S. rate) unless they were able to use the extra foreign tax to offset U.S. tax on other foreign income.

FORBES: Magazine Article

Many supporters of a carbon tax would offset the added revenue by cutting other taxes.

FORBES: Carbon Taxes: The Levy (Some) Conservatives Love

Tax expenditures distort our official data by reducing government tax revenues in the official scorekeeping, rather than being recorded in a manner consistent with their substance, as additional tax collections offset by government spending programs.

CNN: 3 ways to relieve our tax hangovers