曾看过这样一则故事:美国著名的心理学家卡耐基常常带着他的爱犬去公园散步,当时纽约有一个执行得并不是非常严格的规定,凡是带狗外出的,无论有没有锁链系着都要将狗戴上口罩。有一天他看见有个人牵着他的小狗在公园里散步,不远处恰好有一位巡逻员正在教育另一名不给小狗戴口罩而出来散步的人,那个人很激愤地和巡逻员争辩着,说他的小狗还很小,不会咬人 Have seen such a story: the famous American psychologist Carnegie often took his dog to go for a walk in the park. At that time, New York City was not strictly enforced. All dogs with or without chain Have to wear a dog with a mask. One day he saw a man holding his dog in a walk in the park, not far away, just a patrolman is educating another who does not wear a mask to the puppy out for a walk, that person is very angry and patrol Argued, saying his puppy is still small and will not bite