I think this will send the message that has not been sent before.

这种讯息是从来没有过的。

youdao

If you think through the second scenario, you notice that a logging message sent gets processed twice as it has already been logged when the logging message was submitted for the first time.

下面考虑第二种情形，你会注意到当第一次发送的消息被再次提交，则日志消息将会被处理2次，因为这条日志信息已经被记录了。

youdao

If you think through the second scenario, you notice that a logging message sent gets processed twice as it has already been logged when the logging message was submitted for the first time.

下面考虑第二种情形，你会注意到当第一次发送的消息被再次提交，则日志消息将会被处理2次，因为这条日志信息已经被记录了。

youdao