Assuredness
n. 确实, 确信, 自信
✅ 同义词
🗣️ 情景例句
No charge for the cleanup.
清洗不用付费。
So he keeps on studying after his English classes in order to prepare for life in America.
所以他在英语课下课后还继续学习，为以后在美国生活做准备。
In fact, I have just bought a book entitled How to Read a Thousand Words a Minute.
事实上，我刚买来一本叫《一分钟读一千字的诀窍》的书。