Definition: a person who buys and sells things Level: C2
他的祖父是一个毛皮商人。
His grandfather was a fur ___trader.
她在华尔街做交易员，为一家大金融公司工作。
She's a ___trader on Wall Street, working for a big financial company.
在国外待了一段时间后，他在一家私人银行的债券市场做交易员。
After spending some time abroad, he worked as a ___trader in the bond market at a private bank.
