The origin is: at the beginning of the upper house and the end of the lower house, I miss Jingjing Road for a hundred years and stay in the garden for Magnolia; Dongchuandu, Jianchuan lodge, cherry blossom music, drinking water and thinking of the source. This is a campus couplet of Shanghai Jiaotong University, written on a long banner and hung outside the student dormitory. It's magnificent. The couplets contain the geographical location, historical buildings and cultural details of Jiaotong University, which is wonderful.

Couplets, also known as antithesis, door-to-door, spring stickers, Spring Festival couplets, couplets and so on. It is a antithesis written on paper, cloth or carved on bamboo, wood and columns. The antithesis of couplets is neat and even, which is a unique artistic form of Chinese. Couplets are the treasures of China traditional culture.