0 When your mind is on something, you think about it or give attention to it: --
I couldn't concentrate on my work - my mind was on other things.
My mind wasn't on what he was saying, so I missed half of it.
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.