0 used to express surprise or confusion, to ask someone to repeat what they have said, or as a way of getting someone to give some type of reaction to a statement that you have made: --
1 used as a pause in conversation: --
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.