0 used when you are making a criticism or complaint, to make it less likely to offend someone: --
1 used when saying something negative or something that other people might not like or might find unusual, without trying to defend or give reasons for what you say: --
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.