traffic in的用法和样例：
例句
- Stocks took a sharp spill in today's trading.
股票在今天的交易中猛跌。 - He continued his operations in cotton futures.
他继续进行棉花期货交易。
- His speculations in stocks led to his suicide.
他在股票上做投机买卖致使他自杀。 - This merchant deals in silk goods.
这个商人做丝绸买卖。
词汇搭配
- a block in traffic 交通阻塞
