法律的概念涉及义务的初级规则与承认、变更和裁决的次级规则的结合。

I always try to push the boundaries of what can be done in film.

数学不仅仅是数字和方程；它是关于理解宇宙中的深层模式和联系。

Collaboration across nations is the only way to solve the complex challenges of ocean conservation.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

We never cease to stand like curious children before the great mystery into which we were born.