数据抽象是将特定数据集简化为整体的简化表示。
Data abstraction is the reduction of a particular body of data to a simplified representation of the whole.
一个人知道自己为什么而活，就可以忍受任何一种生活。
I don't want to be like everyone else, I want to be like me.
I wish you happy, even if I'm not the reason anymore.
If you want to change the world, start by changing the way you think.
我从不带着会输的念头走上球场。