Indispensableness
n. indispensable的变形
🗣️ 情景例句
I grew up in Beijing, but I was in Los Angeles for two years.
我在北京长大，不过在洛杉矶已呆了两年。
That's incredible!
简直难以相信！
That's why we were getting anxious about you.
所以我们才为你们担心。