[bù mén]
department; branch; class; section
communications department
交通部門
departments and commissions under the central leadership
中央各部門
various government departments
政府各部門
the department responsible for the work
主管部門
the department concerned
有關部門
blind department
（郵局中）處理無法投遞信件的部門
In a big department store， there are numerous departments selling different kinds of goods.
大百貨公司里有許多部門分售各類商品。
Industry and agriculture are the two important sectors of the national economy.
工業和農業是國民經濟的兩個重要部門。