The future of energy lies in a diversified mix that includes both traditional and renewable sources.

富足不是我们获得的东西。它是我们调谐到的东西。

There are certain things that we cannot make ourselves believe， no matter how hard we try.

The social brain hypothesis suggests that our intelligence evolved to manage our complex social lives.

解释：只是一种声音就没有听头，只是一种颜色就没有文采，只是一种味道就不成其为美味，只是一种事物就无法进行衡量比较。

The most important thing is to keep the audience engaged.