Gainfulness
n. 唯利是图（原形是gainful）
✅ 同义词
🗣️ 情景例句
Sure I am. But there's so much more to consider.
我当然兴奋。但是还有那么多问题需要考虑。
Any tickets left?
有剩票吗？
There are a lot of people in the swimming pool.
游泳池里挤满了人。