Nand
[计] 与非
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
Weak men wait for opportunity, but the strong men make it.
若者等待机会，强者创造机会。
Yes, Mr. Wu. Thank you.
好的，吴先生。谢谢您。