- 1nA2
/ˈbriːfkeɪs/
A flat case with a handle, used especially for carrying papers or documents to work or school.
公事包
複數 briefcases
核心畫面
Picture a flat rectangular case with a handle on top, carried by the side rather than on the back. The flatness is the whole design: it is shaped for papers that must not bend. That is what separates it from a backpack or a — the contents are documents, not lunch.
可以想成：一個扁平的長方形硬殼包，上面有提把，是提在身側而不是背在背上的。「扁」就是它整個設計的重點：形狀是為了裝不…更多收起
可以想成：一個扁平的長方形硬殼包，上面有提把，是提在身側而不是背在背上的。「扁」就是它整個設計的重點：形狀是為了裝不能折到的紙。這也是它和後背包、托特包最大的差別——裡面裝的是文件，不是便當。原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
briefcasenoun/ˈbɹiːfˌkeɪs/
- 1
A case used for carrying documents, especially for business.
- 2
computingengineeringmathematicsIn Microsoft Windows, a folder that supports file synchronization between itself and another folder.
- You create a briefcase called Files where you store all your important documents. The briefcase is stored on your Tablet PC's C: drive, and the source files reside on your server.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。