关系模型基于谓词逻辑和集合论，为数据库管理提供了坚实的数学基础。
我扮演的每个角色都是我的一部分，我把一部分自己献给每个角色。
金融科技要注重数据安全和隐私保护，这是行业可持续发展的基础。
被十二个裁判判胜不如永远坐冷板凳。
In the part of this universe that we know there is great injustice， and often the good suffer， and often the wicked prosper， and one hardly knows which of those is the more annoying.
The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.