0 based on a guess and not on information -- 猜测的;推测的,推断的
1 bought or done in order to make a profit in the future -- 投机性的,投机买卖的
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。