0 a benign tumour (= one that is not likely to cause death) that occurs in bones, especially in the hands and feet -- 内生软骨瘤(一种良性肿瘤)
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。