deduct expenses

基本解释

Once you deduct your expenses, there is nothing left.
一旦扣除你的费用，就什么也没有了。
Just make sure the primary purpose of the trip is business, you have documentation, and you don't deduct any expenses related to the recreational part.
但是要确定你的首要目的是出差，你有文件，而且你不可以报销任何因其它原因而出来的费用。
blog.sina.com.cn
The incomes from the conversion of the initial decoration facilities demolished during the course of new decorations may be used to deduct the expenses for new decorations.
对重新装修时被拆除设施的变价收入，可以抵减重新装修费用。
fairylaw.com

You cannot deduct expenses that are lavish or extravagant or that are for personal purposes.
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You can deduct expenses associated with the carpool, but you must also include payments received as income.
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But one U.S. Tax Court ruling says marijuana dispensaries can legally deduct expenses associated with all activities except dispensing marijuana.
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