Just about all of the expenses associated with your business are tax deductible.

和你的生意有关系的一切费用就只是扣除营业税了。

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If you use your car for business purposes, you ordinarily can deduct car expenses. You generally can use one of the two following methods to figure your deductible expenses.

如果将你的车用于商业目的，你一般可以扣除车辆费用。通常你可以使用以下两种方法之一来作为你可扣除的费用。

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From YA 2014, motor vehicle expenses for foreign rental cars used exclusively outside Singapore are deductible in full if the cars are used for business purposes.

自2014年起，在国外租赁的汽车且仅只在新加坡境外使用的汽车费用，如其是用于商业目的，可以允许全额扣除扣除全部费用。

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In such a situation, the related settlement payments may well be treated as deductible business expenses.

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Unless a car is used 100% for business, expenses aren't fully deductible.

WSJ: Tax Report: The New Tax Breaks for Business Autos

If you can make your principal residence your business home many of the non-deductible expenses of ordinary mortals will be deductible to you.

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