Ключевые слова: advertising, advice, aid, announcement, answer, ask, asking, assist, assistance, belief, business, call, care, charity, client, communication, community, concept, cooperation, customer, discussion, emergency, giving, help, helpful, idea, information, message, motivation, need, online, problem, quality, question, service, sign, solution, speech, stress, success, support, symbol, team, teamwork, text, trouble, want, word, work,