0 on a television programme, film, or advertisement, the spoken words of a person that you cannot see: --
1 words that describe or comment on a film, advertisement, or video, which are spoken by a person who is not seen: --
Famous actors often provide voice-overs for advertisements.
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.