Happiness is like a butterfly; the more you chase it, the more it will elude you. But if you turn your attention to other things, it will come and sit softly on your shoulder.

Efficiency in energy production is the cornerstone of sustainable development.

解释：君主对发生在堂上、堂下、门廷之内的事都不知道，则虽是近处，却比百里、千里、万里之外更远。

技术可以帮助我们监控捕捞活动并确保遵守法规。

We need to think about how to make computers work for us in ways that are more intuitive and natural.