Happiness is not something ready made. It comes from your own actions.
我相信每个孩子都有权利接触到反映他们自己经历和文化的书籍和故事。
The best way to learn econometrics is by doing—working with real data and real problems.
粮食安全的未来蕴藏在海浪之下——前提是我们负责任地养殖。