无人机的未来是开放和共享的。
The future of drones is open and shared.
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。
The only thing that is truly yours is your story.
We don't inherit the land from our ancestors; we borrow it from our children.
The purpose of business is to make a positive impact, not just a profit.