板块是地幔热边界层的表面表现。

Collaboration across industries is key to solving the complex challenges we face in energy and climate.

书籍是一种政治行动。书籍是知识。书籍是反思。书籍改变你的思想。

I always tell my kids, 'If you're going to do something, do it well. And if you're not going to do it well, don't do it at all.'

获得自由的唯一方式是服务。