Indispensability
出国 Abroadn. 不可缺少, 责无旁贷
✅ 同义词
🗣️ 情景例句
That's the last straw!
真是太过分了！
Don't blame you.
这不怪你。
We'll have to get this contract typed as soon as possible.
我们得尽快把契约书打出来。