外集团

例句：

1. 1. The company has formed an external group to collaborate on a new project.
   该公司已组建了一个外部集团以共同开发一个新项目。
2. 2. The external group was formed to address the issue of environmental pollution.
   外部集团成立是为了解决环境污染问题。
3. 3. The external group is responsible for negotiating terms and finalizing the agreement.
   外部集团负责谈判条款并最终敲定协议。