Understructure
n. 基础, 下层结构
🗣️ 情景例句
to save money for my college tuition.
存钱准备我的大学学费。
Good luck!
祝你好运！
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。