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Innovation is not imagination out of thin air, but based on a deep understanding of user needs.
所有伟大的艺术和文学都是宣传。
You have to be willing to take risks and step out of your comfort zone.
【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。