Ключевые слова: analysis, analyze, anonymous, ask, checking, comment, confusion, conservation, curiosity, decide, direction, diversity, doubt, education, expression, flyer, forget, idea, identity, information, interrogation, lost, mark, marketing, mind, multiethnic, opinion, opportunity, presentation, problem, question, questionnaire, quiz, result, search, sheet, showing, solution, student, success, suggestion, surveyor, travel, uncertain, uncertainty, work, worries,