traffic in的用法和樣例：
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.
他繼續進行棉花期貨交易。
- His speculations in stocks led to his suicide.
他在股票上做投機買賣致使他自殺。 - This merchant deals in silk goods.
這個商人做絲綢買賣。
詞匯搭配
- a block in traffic 交通阻塞
