In the end, we only regret the chances we didn't take.

真实与想象一样是被想象出来的。

The world is a book, and those who do not travel read only a page.

I like going to work. It’s not a chore. It’s a pleasure.

DNA的结构是一个需要解决的谜题。

The olfactory system is a remarkable example of how the brain can decode complex information from the environment.