noun
necessary expenses; tax-deductible expenses
Primarily a finance term for costs that are essential or allowable for tax purposes. In everyday use, it can refer to unavoidable outlays.
確定申告では、必要経費をきちんと計上することが大切です。
When filing a tax return, it is important to properly record your necessary expenses.
事業を始めるには、ある程度の必要経費がかかります。
Starting a business involves a certain amount of necessary expenses.