处理序失败。
If the process fails, the collection reverts back to its previous state.
如果进程失败，则集合恢复到其以前的状态。
But this process often fails to yield the kind of results we want.
但这一过程往往失败，无法产生那种我们想要的结果。
For example, what should happen when the process payment fails?
例如，当支付流程失败，应该发生什么？
For example, what should happen when the process payment fails?
例如，当支付流程失败，应该发生什么？
应用推荐