Gainfulness
n. 唯利是图（原形是gainful）
✅ 同义词
🗣️ 情景例句
I wasn't good at it, and I didn't like studying it.
我不精于此道， 也不爱去学它。
Who wrote that piece?
那首曲子是谁写的？
for the basket contained two Members of Parliament and the Commanding Officer of the station!
因为筐里是两名国会议员和一名基地的指挥官！