0 a game for two people, each with twelve circular pieces that they move on a board with black and white squares -- 西洋跳棋,国际跳棋
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。