A good picture book should be a collaboration between words and images, where each enhances the other.
【释义】:礼节重在相互回应。送出礼遇而对方不回应,这是不合礼数的;接受了别人的礼遇却不回报,同样也是不符合礼的要求。
Innovation is the key to staying ahead in the dairy industry.