一个国家真正的财富在于它的自然资本。
The real wealth of a nation lies in its natural capital.
弦理论是二十一世纪物理学的一部分，偶然落入了二十世纪。
The pig farming industry must rely on technology and talent for high-quality development.
It's not worth doing something unless someone, somewhere, would much rather you weren't doing it.
真相很少是纯粹的，也从不简单。