a sphere or province of activity, expertise, or duty:Shelling out the payments will not be my department. The income department is/are possessing a Christmas get together this week. 本周销售部将举办圣诞晚会。 And how could that particular person make smart choices with no enter through the accounting department, the lawyer and revenue? https://www.ddhszz.com/home.php?mod=space&uid=1871997