Ключевые слова: 20s, armband, attentive, bag, beach, beautiful, beverage, blank, carrying, caucasian, cellphone, childhood, communication, concentration, confusion, connection, cute, facial expression, female, focused, food and drink, hand sign, healthcare, horizon over water, innocence, leisure activity, lifestyle, lifestyles, making a face, mobile device, mobile phone, music, oral health, phone, photographing, portable information device, refreshment, screen, smart watch, smartphone, sports clothing, standing, sticking out tongue, stomatology, summer, sunglasses, sunlight, sunny, teamwork, technology, together, touching, using, wireless, wireless technology, woman, wrist wear, young adult,