group center exchange

例句：

1. 1. The group center exchange was a great success.
   团体中心交换活动非常成功。
2. 2. The group center exchange allowed us to learn about different cultures.
   团体中心交换让我们了解了不同的文化。
3. 3. The group center exchange helped to build stronger relationships between members.
   团体中心交换有助于成员之间建立更紧密的关系。