The more we learn about the true nature of animals, the more we realize how much we have in common with them.
The city is a living organism, constantly evolving.
林业的未来在于可持续实践，平衡经济增长与环境管理。
Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.