Running is not about being better than someone else. It's about being better than you used to be.

Cada livro é uma viagem para um mundo desconhecido, cheio de possibilidades.

Behavior is determined by the current stimulus situation and past reinforcement history.

"Sometimes the most dangerous people are the ones who seem the most ordinary."

中西文化的融合不是选择的问题，而是时代的必然。

林业的未来在于可持续实践，平衡经济增长与环境管理。