0 a case in a law court that establishes principles in relation to which other similar cases are considered in the future -- (判决相似案件可参考的)判例
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。