natural approach

用这种语言本身来教授语言 also known as direct method and contextual induction

• All “nature method” language learning books like Lingua Latina Per Se Illustrata
• Il metodo diretto applicato alle lingue moderne | Edizioni Accademia Vivarium Novum

learning with texts

边读原文边学语言

• Learning with Texts :: Help/Information
• gustavklopp/LingL: clone of lingq to learn new language

learning by repeating

• pimsleur （得名于 paul pimsleur）