0 in the UK, the box on a table in the House of Commons that important politicians stand next to when they are formally speaking to the Members of Parliament -- (英国下议院的)公文箱
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.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。