0 something you say to greet someone politely when you meet them in the morning -- (上午見面時的招呼語)早上好,上午好,你(們)好
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。