0 the act of an army destroying everything in an area such as food, buildings, or equipment that could be useful to an enemy -- 焦土政策(军队毁掉某个地区的食品、建筑、设备等一切可能为敌所用的东西的政策)
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。