0 in British English, the floor of a building that is two floors above ground level, or in American English, the floor that is directly above ground level: --
1 in British English, on the floor of a building that is two floors above ground level, or in American English, on the floor that is directly above ground level: --
a second-floor apartment
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.