0 to give your bags to airport employees to be put on a plane for you, rather than carrying them on and off the plane yourself: --
1 to leave a bag or case with an official when you arrive at an airport, so that you do not have to carry it onto the plane: --
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.