Democrats and Republicans who signed the letter say a key goal is to encourage a thorough debate, before the U.S.potentially becomes mired in an even longer military commitment.

VOA: standard.2009.03.17

They've become forces of nature in the U.S. Economy, in the sense that people accept these letter grades with great authority.

他们和美国经济密不可分,在这种情况下,人们笃信机构的字母评级

耶鲁公开课 - 金融市场课程节选

In an interview with VOA News, U.N.Spokesman Jose Diaz confirmed a letter had been sent to the United Nations pledging to transfer 45 square miles if a Cyprus settlement can be found.

VOA: standard.2009.11.11

AIG chief Liddy has asserted that bonuses the company paid were necessary to retain the best and brightest talent, an assertion he expressed directly to U.S.Treasury Secretary Timothy Geithner in a letter, adding that bonus contracts with employees were finalized well before Congress approved financial bail out funds in late 2008.

VOA: standard.2009.03.17