Ключевые слова: additional, app, big, brief, business, change, choice, compare, comparison, concept, direction, education, educational, english, extended, extra, flash, foreign, graphic, huge, investment, knowledge, language, layout, learn, long, meaning, opposite, period, permanent, print, short, strategy, studying, success, target, teach, term, text, time, tiny, training, typography, versus, vocabulary, way, white, word, work,