0 a plant that grows on another plant but does not feed from it, for example, some mosses -- 附生植物,著生植物(生長在另一植物上卻從別處獲得養料的植物,如苔蘚)
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。