卡片文件

例句：

1. 1. She kept a card file of all the important documents she had received.
   她保存了所有收到的重要文件的卡片档案。
2. 2.The teacher asked the students to bring their own card files to class.
   老师要求学生们带他们自己的个人卡片档案到课上。
3. 3.The photographer kept a record of every event with a card file.
   摄影师用卡片档案记录了每一个事件。