0 a pen-shaped device used for reading bar codes --
1 a pen-shaped object that uses beams of light to read bar codes (= small rectangular patterns of printed lines that store data) or that you use to touch a computer screen in order to choose information: --
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.