0 to sign your name in a book next to the name of someone who is visiting you, in order for them to be allowed to enter a building such as an office or hotel: --
1 to sign your name in order to allow someone to enter an office or other building: --
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.