gǔ / dài / wén / rén / xǐ / huan / yǐ / shū / xìn / zèng / dá / wéi / chí / péng / you / zhī / jiān / de / lián / xì

古代文人喜欢以书信赠答，维持朋友之间的联系。

Ancient scholars liked to exchange letters to maintain their friendships.