0 a cost relating to producing a company's goods or services: --
1 a cost involved in using a machine, piece of equipment, building, etc.: --
high/low operating costs The floodlight uses one of the most common lamp series in use, for greater availability at lower operating costs.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.