This ensures that the export knows to subscribe to a topic to receive request messages.

这可以确保该导出了解对某个主题进行订阅，以便接收相应的请求消息。

youdao

This ensures that the export knows to subscribe to a topic to receive request messages.

这可以确保该导出了解对某个主题进行订阅，以便接收相应的请求消息。

youdao