free collective bargaining
noun [ U ] business, politics UK specialized uk/ˌfriː kə.lek.tɪv ˈbɑː.ɡɪn.ɪŋ/ us/ˌfriː kə.lek.tɪv ˈbɑːr.ɡɪn.ɪŋ/
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）
formal discussions between workers and employers that are not limited by the law or government, about pay, working hours, and conditions at work
See also: collective bargaining