For demonstration purposes, the transfer operation is modified to roll back the transaction whenever the transfer amount is an even number.

出于演示的目的，我们将转帐操作修改为每当转帐金额是偶数时就回滚事务。

youdao

For demonstration purposes, the transfer operation is modified to roll back the transaction whenever the transfer amount is an even number.

出于演示的目的，我们将转帐操作修改为每当转帐金额是偶数时就回滚事务。

youdao