Ключевые слова: abstract, analysis, assessment, balance, blue, business, chains, choice, compare, comparison, concept, contrast, decision, earth, economy, environment, equality, equilibrium, evaluation, finance, future, galaxy, global, globes, gold, green, international, judgment, justice, law, lights, measure, metal, night, order, planet, reward, risk, scales, space, sustainability, technology, weighing, weight, world,