0 abbreviation for International Standard Book Number: a set of numbers used to identify a particular book and show that it is different from other books --
1 abbreviation for International Standard Book Number: a set of numbers used to identify a particular book: --
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.