便笺簿

例句：

1. 1. She keeps a diary in her desk drawer for daily notes.
   她在她的抽屉里保存一本日记本，用于日常记录。
2. 2. He jotted down some quick notes on his phone before leaving the meeting.
   会议前，他在手机备忘录里记下了一些快速笔记。
3. 3. The secretary kept a meticulous record of all meetings in her notebook.
   秘书在她的笔记本上详细记录了所有的会议内容。