Undecidability
[计] 不可判定性
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
It doesn't work.
坏了；不动了。
Haven't you heard?
你没听说吗？