Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
Can you help me for a minute, love?
亲爱的，能帮个忙吗？
He that knows nothing,doubts nothing.
无知即无疑。
and for several days will probably refuse all food through anger and fear.
甚至一连几天由于愤怒和恐惧而拒绝进食。