波士顿一位商人10年前设立的克雷数学研究所(ClayMathematicsInstitute)是一家非盈利机构,它设立了上百万美元的奖项,征求7个千禧年数学问题的答案。
And the Clay Mathematics Institute , a non-profit body set up 10 years ago by a Boston businessman , is offering million-dollar prizes for the solution of seven Millennium ' ' problems in mathematics .