関連ワード:  difference between shift and change    difference between shift and switch    difference between shift in demand and change in demand    difference between shift in demand and change in quantity demanded    difference between shift in demand curve and change in quantity demanded    difference between language shift and language change    distinguish between shift in demand and change in quantity demanded    difference between market structure shift and change of character    difference between change and shift in demand curve    difference between change in supply and shift in supply