Every data source must have a defined custodian (a business role) responsible for the accuracy, integrity, and security of that data.
每个数据源必须有确定的管理人（业务角色）负责数据的精确性、完整性和安全性。
2
The URI is in the mddl.org domain; mddl.org is the organization that maintains the Market Data Definition Language, an XML vocabulary in which custodian is one of many elements.
URI 在 mddl.org 域中；mddl.org 是维护市场数据定义语言（Market Data Definition Language）这一 XML 词汇表的组织， custodian 是该词汇表中众多元素中的一个。