0 giving you more information and understanding of something -- 启迪的；使人增进知识的；使人获得教益的
That was a very enlightening programme. 那个节目很有启发性。
The instruction manual that came with my new computer wasn't very enlightening about how to operate it. 我新买的电脑所附的使用手册不是很有帮助，看了还是不懂怎样操作。
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。
