Esperanto was invented as an auxiliary language. 世界语是作为辅助语发明的。
Esperanto is an artificial international language with a vocabulary based on word roots common to many European languages and a regularized system of inflection. 世界语,一种人造的国际辅助语,其单词是建立在许多欧洲语言基础上,具有规定统一的音调变化系统。