The strike comes in light of an unsuccessful 19 months of negotiations after the existing labor contract known as the Interactive Media Agreement expired in late 2014.
2019年6月六级真题(第二套)阅读 Section C
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
不成功的;落空的;失败的
Something that is unsuccessful does not achieve what it was intended to achieve.