After you come back from Mount Tai, you don't need to see other mountains, and after you come back from Huangshan, you don't need to see other mountains. As we all know, Mount Tai returns without looking at the mountains, and Huangshan returns without looking at the mountains. The main meaning is: when Mount Tai returns, there is no need to look at other mountains, because Mount Tai is the most beautiful; After you come back from Huangshan, you don't need to see other mountains, because Huangshan is the most spectacular. This sentence expresses high praise for Mount Tai and Huangshan Mountain, and also expresses a kind of awe and yearning for the natural landscape.