Unavailability
[计] 无效性, 不可用性
🗣️ 情景例句
Harry potter was a box office smash.
《哈里波特》赢得了相当可观的票房收入。
Go to bed with the lamb and rise with the lark.
早睡早起。
Anthropology was by definition impossible,
那么人类学按其定义来说就无法存在。