C2 a person who buys and sells things商人,经商者,交易商
a wool/sugar trader毛料商/糖商
His father is a market trader, selling fruit and vegetables.他的父亲在市场做生意,贩卖水果和蔬菜。
a person who buys and sells company shares or money(股票、货币的)交易人
a stock/currency/futures trader股票/货币/期货交易人
He is a well-known trader on the floor of the New York Stock Exchange.他是纽约证券交易所有名的交易人。