extended card kit

例句：

1. 1. This extended card kit is perfect for organizing travel documents.
   这个扩展卡套非常适合整理旅行文件。
2. 2. The company provided an extended card kit as a gift for their employees.
   公司作为礼物提供了一套扩展卡套给员工。
3. 3. She used the extended card kit to store her photos and mementos.
   她用扩展卡套来存放她的照片和纪念品。