He said the United States offers some of the world's lowest barriers to trade -- and expects free and fair access to other countries in return.

VOA: special.2010.07.09

A managed portfolio, you find somebody you think is really smart and you pay them a fair amount of money and in return they assert that they will pick winners for you, and in fact, you will outperform the stock market.

而代管投资组合就是说，你找一个你觉得很聪明的人,给他们一些钱,然后他们会说一定会帮你选出,赚钱的股票，实际上你会比股市整体表现要好。

麻省理工公开课 - 计算机科学及编程导论课程节选