This means you can get all the benefits of typical SQL join queries without the burden of predefining their relationships in the database layer.

这意味着您能够获得典型的 SQL 联合查询的所有好处，但又不需要在数据库层预定义它们的关系。

youdao

Predefining the configuration options for a component is all well and good, but what about extending the functionality of a component to provide additional features?

为组件预定义配置选项当然好，但是如何扩展组件的功能以提供其他特性呢？

youdao