0 the process of sending people bills asking them to pay money owed -- 寄發帳單
1 information, especially about a performance -- (尤指演出的)廣告,宣傳
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。