Profitableness
n. 有益;有利
✅ 同义词
🗣️ 情景例句
I'm sure Robbie has them.
我确定在Robbie那里。
He alone is poor who does not possess knowledge.
没有知识，才是贫穷。
How long can you hold your breath underwater?
你在水里屏住气不呼吸能呆多久？