summary card punch

例句：

1. 1.To save space, we'll need to summarize the key points on this card and punch a hole in it for easy reference.
   为了节省空间，我们需要在这张卡片上总结关键点并打孔以便方便参考。
2. 2. The teacher asked us to summarize our notes and punch a hole in the summary card.
   老师要求我们总结笔记并在摘要卡上打孔。
3. 3. During the presentation, the speaker punched holes in their summary cards to indicate important points.
   在演讲中，演讲者在他们的摘要卡上打孔来表示重要点。