Joke Collection Website - Mood Talk - Tell me the meaning of the following poem.

Tell me the meaning of the following poem.

1. I stood by the river, watching my friend's boat go further and further, and gradually disappear in the place where the water meets the sky, only to see the mighty river flowing to the sky. Friend, please drink this mellow bar again. If you go west, you will never have an old friend with a deep friendship after you leave Yangguan. (That's right)