Therefore, the port is not only transportation network hub, but is the important part on the economy network.

因此，港口不仅是交通运输网的枢纽，而且是经济网络上的重要环节。

youdao

Therefore, the port is not only transportation network hub, but is the important part on the economy network.

因此，港口不仅是交通运输网的枢纽，而且是经济网络上的重要环节。

youdao