We must keep learning to keep up with the times.
幸福是通过美德获得的,是人自己意愿获得的善。
全红婵在十四运会女子10米跳台决赛摘金后,发表了简短的获奖感言
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
食品安全是水产养殖的生命线,任何时候都不能放松。