sub·com·mit·tee
noun/ˈsʌbkəmɪti/
/ˈsʌbkəmɪti/
[countable + singular or plural verb]- a smaller committee formed from a main committee in order to study a particular subject in more detail
（委员会内的）小组委员会 - the House of Representatives subcommittee on taxation
众议院税收小组委员会
- the House of Representatives subcommittee on taxation