“backlog of cases”簡單造句，backlog of cases造句子

There is a large backlog of cases to hear.

Another Justice Department study showed that the50 largest forensic laboratories received more than1.2 million requests for services in2002: the backlog of cases for these facilities had doubled in the course of one year.

These investigators frequently need months to solve crimes, due in part to the backlog of cases at DNA testing centers.