最好的电影是那些给观众留下问题而不是答案的电影。

Investing in lower-emission technologies is not only good for the planet but also makes sound business sense.

The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.

获胜的唯一途径就是比别人学得更快。