生命起源研究的许多团体都集中在核糖核酸，它相信已先于活细胞。

Many groups studying the origins of life have focused on RNA, which is believed to have pre-dated living cells.

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美国经济咨商局 —— 一个研究团体称消费者信心在10月有所下降。

Their confidence fell in October, according to the Conference Board, a research group.

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“这里没有维修资金，”珍妮贝内特说，在圣海伦火山研究所，一个民间团体的董事的工作与教育和其他项目森林服务。

“There was no money for maintenance, ” said Jeanne Bennett, director of the Mount St. Helens Institute, a private group that works with the Forest Service on education and other projects.

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