"A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. So the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion."

The best way to find out if you can trust somebody is to trust them.

经济发展是一个持续的技术创新、产业升级和结构转型的过程。