他通过买卖用于房屋建筑的土地赚了钱。

He made his money buying and selling land for house building.

youdao

你是通过买卖赚钱的。

You get profit from buying and selling.

youdao

你可能通过买卖或者通过装饰你周遭的环境来赚钱。

Money may be earned by the sale or handling of anything that beautifies your surroundings.

youdao

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

The reason they call them boiler rooms is, if you are selling stocks by telephone there's no reason to rent a nice office, so you get the cheapest -so you put a whole bank of telephones in the cheapest place.

它之所以被叫做锅炉房是因为,如果通过电话进行买卖交易,你没有必要去租一间漂亮的办公室,于是你租了最便宜的出租房,然后在那儿放满电话

耶鲁公开课 - 金融市场课程节选