0 (relating to) a sentence, often starting with "if" or "unless", in which one half expresses something which depends on the other half -- 條件句的
1 (a form of a verb) expressing the idea that one thing depends on another thing -- (動詞的)條件式的
2 A conditional offer or agreement depends on something else being done. -- (提議或協定)有前提條件的
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。