聚合：数据服务允许提供者使用一个或多个数据源来构造业务实体。

Aggregation: data services allow the provider to use one or more data sources in order to construct a business entity.

youdao

聚合：数据服务允许提供者使用一个或多个数据源来构造业务实体。

Aggregation: data services allow the provider to use one or more data sources in order to construct a business entity.

youdao