海面平静如镜，映照着天空。
The sea was flat and calm, like a mirror reflecting the sky.
世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。
In mathematics, the simplest explanation is often the most profound.
Sustainability isn't just a trend; it's our responsibility to the future.
基础设施必须服务于人，而不仅仅是经济。
对于一个倾注一生心血开发产品的工程师来说，最糟糕的事情莫过于成果被人剽窃。