document retrieval service造句

Its last filing with the SEC was a notice it would be late with its annual report for the period ended September 1995, according to a document retrieval service.
In this sense, the service offers the same benefit to broadcasters that print publications get from providing their material to services like Lexis / Nexis, the document retrieval service owned by Reed Elsevier.
It's difficult to find document retrieval service in a sentence. 用document retrieval service造句挺难的