사람과 개는 수천년동안 함께 지내왔어요. 개의 특별한 후각과 청력은 사람들과 개가 가까이 지낼 수 있는데 큰 도움이 됐어요.People and dogs have lived together happily for thousands of years. In this book, you’ll explain how the amazing talents of dogs, such as their powerful senses of smell and hearing, make them man’s best friends.