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.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.