Mfcs
abbr. mathematical foundations of computer science 计算机学的数学基础
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
I'm afraid I have bad news for you.
恐怕我有坏消息要告诉您。
Do you think that would help?
你认为那有用吗？