focus group

focus-group的词性：
n.（名词）

1. A small group selected from a wider population and sampled, as by open discussion, for its members' opinions about or emotional response to a particular subject or area, used especially in market research or political analysis.
中心小组：如通过公开讨论从较多的人或样品中选出的一个小组，其成员对特殊主题或地区的意见或情绪反映，尤用在市场调研或政治分析中