Ключевые слова: activity, america, background, business, care, commercial, competition, concept, conceptual, control, corporate, danger, dangerous, dice, earth, ecology, energy, entertainment, environment, environmental, financial, gamble, game, global, globe, green, hand, hold, holding, humanity, idea, life, luck, nature, planet, play, power, protection, render, risk, save, skin, social, sphere, sport, strategy, symbol, travel, win, world,