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.
没有一些目标和一些努力去实现它们，没有人能够生存。我们所谓的生活是一场旅程，而旅程本身就是家。
On the path of science, there are no smooth roads to take; only those who are not afraid of hard work and climb the steep mountain paths have the hope of reaching the glorious summit.
未来属于那些能够掌握核心技术的人。
Knowledge is of no value unless you put it into practice.
你的时间有限，所以不要浪费它去过别人的生活。