Undecidability
[计] 不可判定性
🗣️ 情景例句
And guess what?
你们猜怎么着？
What for?
何必呢？
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。