Selling digital copies of those books could become profitable, and there are questions over who will get those profits.

VOA: standard.2009.12.31

Those are institutions that arrange for or manage the buying and selling of financial assets, such as the New York Stock Exchange.

经纪机构是指那些安排或,管理买卖的,金融资产的机构,比如说纽约股票交易所

耶鲁公开课 - 金融市场课程节选

Systematically, investors are buying after things have gone up, selling after they've gone down, and the problem is most severe in those funds that show the greatest volatility.

投资者都一窝蜂似的,上涨之后才买进,下跌之后才卖出,对于波动最大的那些基金,问题更严重

耶鲁公开课 - 金融市场课程节选