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إكتشاف أشخاص جدد وإنشاء اتصالات جديدة وصداقات جديدة
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الرجاء تسجيل الدخول , للأعجاب والمشاركة والتعليق على هذا!
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What Is Supply and Demand?What Is Supply and Demand? Supply and demand is one of the most basic and important ideas in economics. It explains how prices are set in markets and why they change over time. Whether you are buying food, choosing a phone plan, or understanding why concert tickets are expensive, supply and demand is at work. At its core, this concept describes the relationship between how much of a product or...0 التعليقات 0 المشاركات 461 مشاهدة 0 معاينة