I wanted to make an assumption that the data in my application was just values from a table. I wanted my data model to know how to search, sort, traverse and modify that data.

假定我的应用程序中的数据都来自于数据库表中存储的各种值，我想让数据模型知道怎样对数据进行查找、排序、遍历和修改。

youdao

I wanted to make an assumption that the data in my application was just values from a table. I wanted my data model to know how to search, sort, traverse and modify that data.

假定我的应用程序中的数据都来自于数据库表中存储的各种值，我想让数据模型知道怎样对数据进行查找、排序、遍历和修改。

youdao