Esperanto was invented as an auxiliary language. 世界語是作為輔助語發明的。
Esperanto is an artificial international language with a vocabulary based on word roots common to many European languages and a regularized system of inflection. 世界語,一種人造的國際輔助語,其單詞是建立在許多歐洲語言基礎上,具有規定統一的音調變化系統。