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。
生命必须被赋予意义,因为它本身显然没有意义。
Protecting marine resources is protecting the future of humanity.
Science is a journey, not a destination.
I don't think about genres. I just make music that feels right to me.