短语词组用作名词 (n.)动词+～afford an instance 提供实例cite an instance 举例形容词+～typical instance 典型的例子abundant instances 丰富的例子extreme instance 极端的例子介词+～as an instance 作为例子～+介词instance of bad behavior 恶劣行为的例子instance out of many 许多例子短语 返回 instancing