Ключевые слова: adult, application, asian, cafe, cafeteria, camera, casual clothing, caucasian, cheerful, coffee, coffee shop, communication, dating app, discussing, discussion, drink, drinking, eating, food, friendship, fun, happiness, lifestyles, lunch, males, men, multiethnic, outdoor, people, protective mask, restaurant, sharing, sitting, smart phone, smiling, student, table, talking, technology, togetherness, vietnamese, wireless technology, young adult, young men,