DNA的双螺旋结构是所有科学中最美丽和优雅的结构之一。
The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.
最成功的企业是那些以人为本的企业。
Editing is the final rewrite of the film.
Success is not final, failure is not fatal: it is the courage to continue that counts.