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。
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。
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。
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