Then, if you weren't quite Aaa, you were Aa and if you weren't quite Aa, you were A and then you could become Ba.

于是,如果你达不到AAA,你就会是AA,如果你达不到AA,你就会是A,再往下就有可能是BA

耶鲁公开课 - 金融市场课程节选

It's a billion-dollar business, but most of it goes to the major-league-affiliated teams (Class A, AA and AAA), which break even only by dint of help from their major league parents.

FORBES: Magazine Article

The Bear Stearns fund performance "reflects the unprecedented declines in the valuations of a number of highly rated (AA and AAA) securities, " Bear Stearns told investors in a letter circulated late Tuesday.

FORBES: Magazine Article

Everyone knows August was a volatile month after the downgrade of U.S. credit from AAA to AA on Aug. 5.

FORBES: How One Hedge Fund Beat The Market In August