地球资源有限,但人类的创造力无限。
了解穷人的真实生活是设计有效政策帮助他们第一步。
成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事,你就会成功。
The character and destiny of a group are often determined by its inferior elements.
海洋是生命的摇篮,也是人类未来的希望,我们要像对待母亲一样呵护她。
自然界的所有效应只是少数不变定律的数学结果。
The effects of policy changes are often more nuanced than simple economic models suggest.