Michelle Obama said the purpose of the gathering was not only to pay tribute to luminaries in the struggle for equality, but also to what she called the"quiet heroes" who,in the process of shaping America, achieved extraordinary things.

VOA: standard.2010.03.08

It didn't-- if you needed more time to get some business done you'd have to borrow, but you'd only have to pay 1% a year.

如果你需要更多时间来完成业务,你需要借款,而只需付1%的年利息

耶鲁公开课 - 金融市场课程节选

It's very expensive when you take into account not only the direct costs, but also the costs that you pay advisors to help you make these decisions.

非常昂贵,不仅需要考虑直接成本,还要考虑,支付给帮你做决策的顾问们的费用

耶鲁公开课 - 金融市场课程节选