What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples? What should we pay attention to in the difference and taste of common apples?