股票经纪人

The main business of stockbroker is to help clients buy and sell shares.

人的主要业务是帮客户买卖。

He bragged that his father was the most successful stockbroker on Wall Street.

他吹嘘他父亲是华尔街上最成功的人。

It was improper of the broker to withhold the information from the stock exchange.

人对交易所隐瞒信息的行为是不正当的。