Ask not what your country can do for you --ask what you can do for your country.
In the world of computation, complexity is not an enemy, but a challenge to be understood and mastered.
我们不是在制造汽车,我们是在培养制造汽车的人。
皮革鞣制的创新不仅仅关乎新化学品,而是重新思考材料的整个生命周期。
Every seed we plant carries the potential to transform lives.
【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。