0 abbreviation for virtual learning environment: a system for learning and teaching using the internet and special software -- 虚拟教学环境(virtual learning environment 的缩写)
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。