briefcase
US /ˈbriːf.keɪs/
UK /ˈbriːf.keɪs/

1.
公文包
a case with a handle, for carrying papers, documents, etc.
:
•
He carried his important documents in a leather briefcase.
他用一個皮公文包裝著重要文件。
•
She opened her briefcase and pulled out a file.
她打開公文包,拿出一個文件。