What do you mean by beautiful mountains and rivers, beautiful singing and prosperous east wind?

Beautiful mountains and rivers sing a prosperous country, and Dongfeng has feelings to stay in the United States.

Beautiful mountains and rivers mean: mountains and rivers are like beautiful and bright silk fabrics, depicting a beautiful country. East wind means spring, and spring breeze warms up, in order to keep beautiful people. Generally speaking, it is to praise the great rivers and mountains of the motherland and express the feelings of not praising the local customs of the country.