0 a condition in which someone is born with an extra chromosome (= one of the rod-like structures found in all living cells which is part of an animal's or plants genetic material), which results in them having learning difficulties: --
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.