0 If something is groundbreaking, it is very new and a big change from other things of its type. -- 开辟新天地的，开创性的，创新的
His latest movie is interesting, but not groundbreaking. 他最近拍的电影很有趣，但没有什么创新。
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。
