For example, it often occurs that dogs eat feces and seem "impervious" to change. Some dogs just seem to like the taste, with the feces of humans-who enjoy a rich and varied diet-a real "delicacy."
以常見的「狗改不了吃屎」來說，有些狗就是覺得便便好吃，尤其是食物種類豐富的人類糞便更是「美食」。