After three months of war, a letter from home is worth a ton of gold. -"Hope in Spring" Don Du Fu
2. Seeing the autumn wind in Luoyang, I want to write a book. -Qiu Si Tang Zhangji
3, the river flows three thousand miles, and there are fifteen lines of letters from home. -"Letter from Shi Jing" Ming Yuan Kai
4. Send it by tourists and attach a letter to your family. -"Letter to Home" Tang Du Fu
5. What is the joy of opening a distant book? Several experts think it is worth 1000 dollars. -"Letter from Duanzhou Jiangting" Don Li Shen