数据抽象是将特定数据集简化为整体的简化表示。

"The beauty of literature lies in its ability to make the invisible visible, to give voice to the voiceless, and to illuminate the darkest corners of the human soul."

The higher we soar，the smaller we appear to those who cannot fly.

Music is the universal language. It's the one thing that can bring people together no matter where they're from.