free collective bargaining

剑桥词典

formal discussions between workers and employers that are not limited by the law or government , about pay , working hours , and conditions at work
自由集体谈判（雇主与雇员就工资、工时和工作条件等问题进行的正式谈判，不受法律或政府约束）
也见 collective bargaining 返回 free collective bargaining