0 short form of would not -- （would not 的縮略形式）
I wouldn't do that if I were you. 我要是你的話，就不會那樣做。
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。
