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。
"You have to be able to confront reality but also inspire hope."
写作是将自己的一部分留在纸上,让别人能够找到它。
The oil industry is not just about extracting resources; it's about strategic foresight and technological innovation.
目标不仅仅是设计一个市场,而是设计一个在实践中运行良好的市场。
The most profound truths are often the ones we take for granted.