trade union contributions

例句：

1. 1.The trade union has made significant contributions to the cause of labor rights.
   工会为劳动权利事业做出了重大贡献。
2. 2. The company's annual contribution to charity is over $50 million.
   该公司每年对慈善事业的捐赠超过5000万美元。
3. 3. The trade union has been actively promoting equal pay for all employees, including women and minorities.
   工会一直在积极推广对所有员工的平等薪酬，包括女性和少数族裔。