成功数据库系统的关键在于其能够随着用户需求的变化而发展。
The key to a successful database system is its ability to evolve with the changing needs of its users.
Music is my breath; I can't live without it.
那时我老得多,现在我比那时年轻。
意识是一条河流,而非孤立元素的集合。