求翻译：单机模式下，POST 票务软件系统为操作员提供取消纪念品销售功能。操作员只能对在单机模式下并且由本班次本窗口销售出去的纪念品进行取消交易操作。是什么意思？

Stand-alone mode, post ticketing software system provides the operator with the abolition of the souvenir sales functions. The operator can only be sold souvenir stand-alone mode and by the frequency of this window to cancel the trading operations.

Stand-alone mode, POST ticket software system available for the operator to souvenir sales. The operator can only be in stand-alone mode and the window by the frequency of the souvenirs sold to cancel the deal.

Under the single plane pattern, the POST ticket clerk software system provides for the operator cancels the souvenir sale function.And the operator only can to the souvenir which sells by this school grade order this window carry on under the single plane pattern cancels the transaction operation.

Stand-alone mode, POST ticketing software systems as the operator to cancel the souvenir sales function. Operator only in stand-alone mode and carried out by the frequency window sold souvenirs cancelled trading operations.

正在翻译，请等待...