collective of student teachers

例句：

1. 1.The team won the championship with a collective effort.
   这个团队通过共同努力赢得了冠军。
2. 2.The company is made up of several different collectives.
   这家公司由几个不同的集体组成。
3. 3.The union represents the interests of its members as a collective.
   工会代表其成员作为集体的利益。