Unavailabilities
(unavailability 的复数) [计] 无效性, 不可用性
🗣️ 情景例句
I'm sorry, I didn't get your name.
对不起，我没听清楚你的名字。
Of pigs and cows, the latter are more valuable.
在猪和母牛之间，后者比较值钱。
The tape was so stick that they did not dare to cross it.
胶带极粘，蚂蚁不敢从上面爬过。