cancellation of purchase contract

例句：

1. 1. The contract has been cancelled due to a dispute over the terms.
   由于对条款的争议，合同已被取消。
2. 2.The bank canceled the check because it was invalid.
   银行取消了这张支票，因为它无效。
3. 3.The cancellation of the lease agreement means that we can move out now.
   租赁协议的取消意味着我们现在就可以搬出去了。