Unavailabilities
(unavailability 的复数) [计] 无效性, 不可用性
🗣️ 情景例句
You shouldn't have.
不该这样破费的。
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
The doctors have not yet decided how the woman died.
医生们至今还未确定这位妇女的死因。