Cof
abbr. cause of failure 导致失败的原因; coefficient of friction 摩擦系数; cost of funds 投资成本
🗣️ 情景例句
He is tough to work with.
他很难共事。
They say there's a traffic accident in front of us.
据说在我们前方发生了车祸。
Pardon? Would you please say that again more slowly?
对不起，请你慢点儿再说一遍好吗？