1. The expenses incurred in the day-to-day running of a business or organization, excluding costs of goods sold and capital expenditures
The airline's operating costs increased significantly due to higher fuel prices.
Os custos operacionais da companhia aérea aumentaram significativamente devido aos preços mais altos do combustível.
2. Expenses necessary to maintain and run a facility or system during normal operations
The hospital needs to budget for operating costs such as utilities and staff salaries.
O hospital precisa orçar os custos operacionais, como serviços públicos e salários dos funcionários.