Issues related to retirement benefits, disability pay and medical insurance, as well as recent demands by some very large unions for lifetime job security, are very much in the bargaining forefront in the latter part of the 20th century.

• 关于退休金，伤残抚恤金，医疗保险，以及最近有些大型工会提出的终身就业保障等问题，在20世纪后半叶的谈判内容中都占有重要位置。