When the health insurance industry was still cooperating in reform efforts, its trade group offered to provide standardized forms for automated processing.
2016年6月六级真题（第二套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
V-RECIP
合作;协作
If you co-operate with someone, you work with them or help them for a particular purpose. You can also say that two people co-operate .