高屋建瓴
[词典] pour water off a steep roof -- sweep down irresistibly from a commanding height; operate from a strategically advantageous position; be strategically situated;
[例句]Yehuda还写了篇过去一年的回顾，高屋建瓴地（相比较发布说明而言）对变化进行了总结和概括。
Yehuda also wrote a retrospective over the last year, giving a high-level summary ( compared to the release notes) of the changes.