| 1 | This is a letter written to Chen Maotsai by Tsai Chsiang. | |
| 2 | The first part mainly introduces Cai Xiang's life experiences and excursion. | |
| 3 | The second part are chiefly concerning about the main content of Cai Xiang's poetry. | |
| 4 | This is a letter Tsai Chsiang sent to a friend to talk about his current condition. | |
| 5 | The construction of this gigantic bridge was completed under the direction of the noted scholar and official Cai Xiang of the Northern Song Dynasty. |