case column

例句：

1. 1. The police areinvestigating the case of the missing child.
   警方正在调查失踪儿童的案件。
2. 2. This isa classic example of how to solve aproblem.
   这是一个解决问题的经典的示例。
3. 3. The lawyerpresented several cases in support of his client's defense.
   律师提出了几个案件来支持他的客户的辩护。