関連ワード:  how to use duty in a sentence    how to use obligation in a sentence    how to use responsibility in a sentence    how to use civic duty in a sentence    how to use fiduciary duty in a sentence    how to put obligation in a sentence    how to use duty of candour in a sentence    how to use duty of care in a sentence    how to use dereliction of duty in a sentence    how to use call of duty in a sentence