Variational notation
[计] 变分记号
🧩 词语组成解析
a. 变异的
🗣️ 情景例句
Have you changed jobs?
你换工作了吗？
Come in and make yourself at home.
请进，别客气。
They will be able, as it were, to see and hear us in action.
他们能够身临其境般地观看我们做事，倾听我们讲话。