0 a machine in a shop or other business that records sales and into which money received is put -- (商店等的)現金進出紀錄機,現金出納機,收銀機
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。