Compare the Similarities and Differences between Send Yuan Twenty-one Xi and Knock-Knock-Knock-Knock

"Send Yuan 20 An Xi" and "Biedongda" are both expressions to say goodbye to friends.

And "Send Yuan Twenty-one Xi" is to send a friend to the northwest frontier, which is a little sad except melancholy, and the poem expresses the author's feelings of parting.

When writing Don't Move Big, Gao Shi was also very frustrated. He was often in a poor situation of wandering around. However, in this farewell poem, Gao Shi is impassioned and inspiring with a cheerful attitude and heroic style.