Poetry is just the evidence of life. If your life is burning well, poetry is just the ash.
诗歌只是生命的证据。如果你的生命燃烧得好,诗歌只是灰烬。
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 digital revolution has transformed the way we think about markets, competition, and economic policy.