那些股份以低于通常价值的一半买卖。

Shares were trading at under half their usual value.

《牛津词典》

此时乔意识到，如果那些显然不应买卖股票的人群都开始介入股市的话，那么股市必定处于一个巨大的泡沫之中。

At which point Joe realised that if people who manifestly shouldn't be buying and selling stocks were doing so then the market must be in a huge bubble.

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“假如投资者或买家有充裕的时间，我建议他可以在那些地区购买卖空的房屋。”诺尔说。

"If an investor or buyer has time on his side, I suggest buying one of the many short sales in those areas," said Knoll.

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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

Public securities are securities that the SEC will accept as suitable for the general public and private securities are securities that have not been vetted by the SEC for the general public.

公共券商是指那些经证交会审核通过,适于面向大众经营证券买卖的证券公司,而私募券商是指那些未经,证交会审查,面向大众的证券公司

耶鲁公开课 - 金融市场课程节选