Unprovability
不可证明性
🗣️ 情景例句
Hello. This is a representative of Zhongyou Department Store.
喂，您好。我是中友百货的。
I'm too slow.
我太慢。
He spent a miserable day in bed thinking of all the fun he was missing.
他在床上郁郁不乐地躺了一天，想着他错过的种种欢乐。