每个角色都是一段新的旅程,我珍惜每一步。
Sustainability is not an option; it's a necessity for the survival of our oceans and our planet.
书是一扇门,你打开它,然后走进去。
在地球物理学中,我们处理的是物理原理在地球研究中的应用。
We are survival machines—robot vehicles blindly programmed to preserve the selfish molecules known as genes.
Life was simple before World War II. After that, we had systems.
最重要的思想是那些让我们以新的、更高效的方式利用现有资源的想法。