Reterence
[经] 证明人, 介绍人, 证明书
🗣️ 情景例句
Tell me about your educational background.
告诉我你的学习背景。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
It's the hottest day I've had so far.
这是迄今为止我经历的最热的一天。