我花了100元买了一些我最喜欢的书。
您希望用英语和本地语言存储关于书的元数据(题目、作者、第一段)。
You would like the database to be able to store the metadata about the books (title, author, first paragraph) in English as well as the native language.
为了帮助开发人员将精益和敏捷实践应用到大型项目之中,在自己的书和博客上,Leffingwell已经研究出了一系列模型和元模型。
In both his book and blog, Leffingwell has developed a set of models and meta-models to assist developers in the application of Lean and Agile practices to large scale projects.
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