Underused
a. 未充分利用的
✅ 同义词
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
They that do nothing learn to do ill.
游手好闲，容易学坏。
Where is it? asked her mother.
“剩余的钱在哪儿？”她妈妈问。