| 2. | Boffins have traditionally believed that while most animals , including dogs , experience primary emotions such as anger , anxiety and surprise , they are incapable of experiencing second hand emotions such as jealousy , guilt and pride ? something that this study questions 《每日邮报》引用了他这么一段话: “在狗的嫉妒心报告当中,狗的最亲密的主人和另外一个人产生感情时,狗的最常见的反应方式是试图挤入主人和第三者的之间” 。 |