Gainfulness
n. 唯利是图（原形是gainful）
✅ 同义词
🗣️ 情景例句
Michelle.
Michelle。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。
It has a span of 4,260 feet.
桥长4，260英尺。