"Using existing civil society structures or networks is a more effective way of creating change...and obviously trade unions are one of the biggest civil society networks in the UK," he says.
2015年12月六级真题（第二套）阅读 Section B
It's true that the main reason inner-city schools do poorly isn't teachers' unions, but poverty.
2016年6月六级真题（第一套）阅读 Section C
Southern states without strong teachers' unions have schools at least as awful as those in union states.
2016年6月六级真题（第一套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
N-COUNT
工会
A union is a workers' organization which represents its members and which aims to improve things such as their working conditions and pay.