0 a piece of equipment, like a jacket without sleeves, that is filled with air or light material and is designed to help you float if you fall into water --
1 a piece of equipment that looks like a jacket without sleeves and that is filled with air or light material designed to help someone float if the person falls into the water --
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.