0 relating to or forming connections between things -- 连结的;结合的
1 relating to a conjunction (= linking word), or expressing a link between two things that are both true -- 连接词的;起连接作用的
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。