Singletons
(singleton 的复数) n. 一个, 独生子, 独身
🗣️ 情景例句
There's no doubt about that.
此事确定无疑。
We first make our habits, and then our habits make us.
我们先养成习惯，然后习惯又左右我们。
No, I think it's his cup.
不，我想那是他的杯子。