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Chọn ngôn ngữ của từ điển
to be one's department
01
to be responsible for something, showing a sense of authority in that area
Các ví dụ
Isn't handling customer inquiries your department, Chris?
02
to know a lot about something, indicating a sense of expertise in the matter
Các ví dụ
I can look into it, but legal matters are not exactly my department.
