Vaction variable
[机] 作用变数
🧩 词语组成解析
🗣️ 情景例句
Yes. I would like an application.
是的，我想要一份申请表。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
That might be quite expensive.
那花钱可就多啦。