词根是traf，中文意思是abbr. 运输（traffic）
Bill Gates invested his own money into his first business， a project called Traf-O-Data.比尔·盖茨把他自己的钱投到自己第一笔生意中，那是一项叫做“Traf - O - Data”的计划。
Microsoft maven Bill Gates co-founded a data business that focused on traffic counts， Traf-O-Data， when he was in high school.
traffic词根
traffic [ ræfɪk] n. 交通运输贸易[通信] 通信量 vt. 用…作交换在…通行vi. 交易，买卖
拆分：traf- 转换 + -fic 做 → 转换做的东西 → 交易
