After over 30 years of contact with dogs, director of the Global Dog Training Academy Shen Chi-tung points out that one can discern this from the shape of a dog's snout and its everyday behavior.
與狗接觸卅多年，環球愛犬訓練學校校長沈啟東指出，從狗的鼻型和狗平日的表現就可以窺出端倪。