Ключевые слова: abc, alphabet, backdrop, background, business, characters, chinese, class, communication, concept, course, covered, dictionary, do you speak chinese, education, educational, elearning, foreign, heap, international, language, learn, learn chinese, letter, made, made in china, mess, messy, online, random, read, school, spell, stack, student, study, study chinese, studying, symbol, tag, teacher, text, texture, translation, typography, uneven, vocabulary, word,