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.
债券市场是市场预期的最终衡量标准。
你越了解自己和你想要什么，就越少让事情困扰你。
The writer is a person who writes, not a person who is written about.
Any idiot can face a crisis, it’s the day-to-day living that wears you out.
书是你握在手中的一个梦。