Unprovability
不可证明性
🗣️ 情景例句
She has to work late tonight.
她今晚得工作得晚一些。
Self-trust is the first secret of success.
自信是成功的首要秘诀。
I've no idea. He just asked me to come round for supper.
我也不知道，他只是叫我过来吃晚饭。