Title: 世界語槪論
Description: Gai shu Shi jie yu de li shi ji Shi jie yu yun dong gai guang. Fen "Shi jie yu shi shi mo", "Shi jie yu shi fou xu yao", "Shi jie yu you cheng li de ke neng ma?", "Na yi zhong yu yan pei zuo Shi jie yu " deng 17 zhang.
Subjects: Esperanto