Optionality
n. 期权性风险
🗣️ 情景例句
It's Linda from the animal shelter.
是动物收容所的Linda。
Yes. And please ask me the next time you want to use something.
是的。另外，如果下次要用什么东西，请先问我一声。
At that time he had two helpers.
那时他有两个帮手。