Consider what goes through your mind when you attempt to identify an apple's variety—Granny Smith, Golden Delicious, McIntosh or Fuji, for example. You see the apple's shape and color, feel its weight and the smoothness of the skin, hear the snap as you take a bite, feel the firmness and texture in your mouth, and, of course, savor the taste and smell. Any one of these clues taken alone might prove insufficient for classifying the apple. But together, matched with your past experience of each variety, they enable you to accurately classify the apple.
展开▼
