Definiteness
确定性
✅ 同义词
🗣️ 情景例句
I would like to charge this.
我想用信用卡付账。
I believe the first test of truly great man is his humility.
一个真正伟大的人，对他的第一个考验就是看他是否谦逊。
Sorry, I don't know.
对不起，我不知道。