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
And me?
我呢？
To play a trick
戏弄
What do you want to do next September? Do you have any plans?
你今年9月打算干什么？你有什么计划吗？