第15句：

This follows successful talks between management and union representatives,which resulted in a new agreement on working hours and conditions.

六级词汇讲解:
talks在句中意为“会谈，谈判”，特指正式的谈判，常用作复数形式。union此处意为“工会”，和management“管理层”相对。representative意为“代表”。agreement与介词on连用，表示“与·，一有关的协议”。

六级考点归纳：
talk在口语中作名词时除了指“会谈，谈判”外，通常还有如下含义:
1. 意为“交谈”，其后常接with sb.或about sth.。如:
I need to have a tally with you about your career.
我得和你谈谈你的职业问题。
2. 意为“报告，演讲”。如:
The professor is giving a talk on literary theory today.
教授今天要作一场关于文学理论的讲座。
3. 意为“空话，空谈”。如:
Don't pay attenrion to what he said. He's all talk.
别管他说些什么，他光说空话。
4. 意为“传闻，谣言”。如:
There was talk that he was a spy.
有传闻说他是间谋。