Title: Jing wai jiu ye zhi nan
Description: Ben shu jie shao le wei shen me yao zhi ding jing wai jiu ye zheng ce, Zhi ding jing wai jiu ye zheng ce xu yao cai qu de shou yao bu zhou, Bao hu yi min gong ren de cuo shi, Zhi chi xing fu wu ji gou he cuo shi deng nei rong.
Subjects: Lao wu chu kou, Yan jiu