unilaterally abolish a treaty

例句：

1. 1. The government has abolished the old tax system.
   政府已经废除了旧的税收制度。
2. 2. Thelaw was abolished due to public outcry.
   由于公众的强烈反对，这项法律被废除。
3. 3. The company'spolicy of abolishing overtimepay was criticized by labor unions.
   该公司废除加班费的政策受到了工会的批评。