Inconvertibility
n. 不能变换, 不能兑换\\n[经] 不兑换, 不可兑换
🗣️ 情景例句
How are you doing, Richard?
现在怎么样， Richard？
There are no birds of this year in last year's nests.
事过境迁。
What are their jobs?
他们是做什么工作的？