[, ]a decision to stop sth that has already been arranged from happening; a statement that sth will not happen取消；撤销；注销◆We have been badly affected by the cancellation of orders.取消订单已对我们造成严重的影响。◆Cancellations must be made in writing.撤销必须以书面形式提出。◆ a $200 cancellation charge200 元的注销手续费⨁to cause / make (a) cancellation取消／注销 () the fact of making sth no longer valid撤销；作废◆the cancellation of the contract合同的撤销the act of marking a document, cheque, ticket, etc. or to show it has been used or can no longer be used; a decision to stop using these items（支票、票等的）盖销，注销