sub·com·mit·tee /ˈsʌbkəˌmɪti, ˌsʌbkəˈ/
委員會的附屬委員會,小組委員會
Sub·com·mit·tee n. An under committee; a part or division of a committee.
Yet by their sequestrators and subcommittees abroad . . . those orders were commonly disobeyed. --Milton.
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subcommittee
n : a subset of committee members organized for a specific
purpose