Unsolvability
[计] 不可解性
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
Love sought is good, but given unsought is better.
追求而得的爱情固然美好，但不经追求而得的爱情更为美好。
The answer is easy! said the doctor.
“答案很简单！”医生说。