commissionern.
英 kə'mɪʃ(ə)nə | 美 kə'mɪʃənɚ
中文n. 理事；委员；行政长官；总裁
词根词源
commissioner (n.)early 15c., "one appointed by a commission," from Anglo-French commissionaire, from Medieval Latin commissionarius, from commissionem (see commission (n.)). Meaning "member of a commission" is from 1530s.
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