Underutilization
利用不足, 未充分使用
✅ 同义词
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
He can't dress himself yet because he's too young.
他还不能给他自己穿衣服因为他是太年轻的。
He was in the R.A.F.
他曾在皇家空军任职。