建筑的挑战在于创造既实用又美观的空间。

I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.  

I believe that science has great potential to improve human life.

The ultimate goal of neuroscience is to understand how the brain gives rise to the mind.

海洋不仅是一种资源，更是我们对后代的责任，需要保护和维持它。