0 a part of a computer that reads information on a hard disk, or a separate device that can be connected to a computer in order to do this -- (電腦的)硬碟
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。