Indefinability
[计] 不确定性, 难确定性
🗣️ 情景例句
Hi, Anita, long time no see.
嗨，安妮塔，好久不见了。
I don't know him well.
我跟他不熟。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。