The National science Foundation's "Tree of Life" project estimates that there could be anywhere from 5 million to 100 million species on the planet, but science has only identified about 2 million.

据美国国家自然科学基金委的“生命之树”项目估计，地球上存在的物种大概有5百万到1亿种，但是，只有2百万种得到确认。

youdao

It's everywhere,and it's in the United States as well," Polaris Project, one of the largest anti-trafficking organizations in the United States, estimates as many as 17,500 foreign nationals are trafficked into the United States each year.

VOA: standard.2009.11.13

Although its problems may have been extreme, Ken Reardon of the University of Illinois's East St Louis Action Research Project estimates that about two dozen Illinois cities are in similar straits.

ECONOMIST: Urban affairs

Our base case estimates project 8.8 trades per brokerage account (on average) in 2011.

FORBES: Schwab Gives Customers Options With OXPS Buy

Consensus estimates project per share-profit growth of 36% in 2007 and 12% in 2008.

FORBES: Six Capital Gains Faves From Dow Theory