law of demand, закон спроса, confusing, запутанный, obvious, очевидный, make sense, иметь смысл, demand curve, кривая спрса, necessity, необходимость, available, доступный, exception, исключение, put tax on, облагать налогом, petrol, бензин, particular market, определенный рынок, increase, повышать, affect, касаться, shift, сдвиг, influence, влиять

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