公文包 → briefcase

In the English office supplies vocabulary class, we learned the word "briefcase" and knew that its plural form is "briefcases", which refers to briefcases, which is a common item for professionals.

In the bilingual class of English for the workplace, the teacher taught us to describe the purpose of the briefcase in English and say "A briefcase is a hard-sided bag used by professionals to carry documents and laptops" in English.

The foreign language teacher asked: "What is the difference between 'briefcase' and 'handbag' in English? What material are briefcases usually made of? "This is the test point for the analysis of office vocabulary.