cancellation of treaty

例句：

1. 1. The agreement was cancelleddue to a sudden change in the government's policies.
   由于政府政策的突然改变，协议被取消了。
2. 2. The cancellation of thecontract means that we will not be ableto proceed with the project.
   合同的取消意味着我们无法继续进行这个项目。
3. 3. The cancellationof the flight was due to bad weatherconditions.
   航班取消是由于恶劣的天气条件。