0 a long, high bridge, usually held up by many arches, that carries a railway or a road over a valley: --
a railway viaduct
1 a high bridge that carries a road or railroad over an area that is difficult to cross, such as a deep valley, very wet land, or the steep side of a hill: --
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.