聯合起來的那群人
union 本身的畫面：學生合成一個團體，才有人替大家講話。
noun · B2
An organization made up of the students at one college or university, which speaks for them to the school, runs the clubs, and puts on events. The source marks this use as British English.
學生會
核心畫面
Think of a group of students deciding to act as one — that joining together is the picture inside union. A group like that needs somewhere to meet, eat, wait between classes and set out its club tables, so a building on campus becomes theirs. Over time the one name covers both: the people, and the place they work from. So student union may mean the group that asks the college to keep the library open later, or the building where the cheapest coffee on campus is sold.
可以想成先有一群學生湊在一起，決定一起講話、一起辦事——union 的畫面就是這個「合」。這群人要有地方開會、擺攤、…更多收起
可以想成先有一群學生湊在一起，決定一起講話、一起辦事——union 的畫面就是這個「合」。這群人要有地方開會、擺攤、吃飯、等下一堂課，於是校園裡有一棟樓歸他們用。時間久了，這個名字兩邊都指：指那群人，也指那棟樓。所以同一句 student union，可能是「跟學校要求圖書館延後關門」的那群人，也可能是「地下室咖啡最便宜」的那棟樓。Two branches
這群人用的那棟樓
同一個名字從人移到地方：這群學生辦事、聚會的那棟樓。
noun · B1
A building on a college or university campus where students go to meet, eat, relax between classes, and hold events.
學生活動中心