Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
I will get him to accept the offer.
我会使他接受建议。
I'd say yor're about twenty-three.
我猜你大约23岁。
The order will be mailed to you next week.
下星期就寄给你们。