The Δ-Lingual(TM) Learning Content Creation System is an innovative system that compares students' native language X (e.g. English) and the target language Y (e.g. Mandarin). The Δ-Lingual(TM) Learning Content Creation System finds the similarity and difference (Delta ∆) between the two languages in the areas such as: vowel, consonant, intonation, syllable, grammar structure, number system, usage, etc., and presents the results in...