不能复制消息，因为邮件夹正在被使用。

Can't copy messages because the mail folder is in use.

youdao

拒绝重放，即不应该接受稍后重新发送的复制消息。

Replays are denied, i.e. a copied message that is resent later should not be accepted.

youdao

计算节点(AddBrokerName)读取和复制消息树。

Compute node (AddBrokerName) reads and copies the message tree.

youdao