0 a serious disease that causes glands in the lungs and other organs, such as the liver and the pancreas, not to work correctly -- 囊性纖維變性,囊性纖維化
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。