Unavailability
[计] 无效性, 不可用性
🗣️ 情景例句
So I try hard to find opportunities for people like you.
所以我努力为像你这样的人寻找机会。
He hasn't done any worthwhile work in five years.
这五年来他没做过一件正经事。
Well, this is our latest catalog.
嗯，这是我们的最新的目录。