切割金属艺术的第一步是找到一个具备必要技能和经验的人来做这项工作。
The first step in the art of cutting metals is to find a man who has the necessary skill and experience to do the work.
The challenge in model checking is not just to find errors, but to understand why they occur.
我们今天所做的每一个决定都塑造着我们明天海洋的未来。
I don't let anyone else define my worth.