To be aware of the idea of social structure and to use it with sensibility is to be capable of tracing such linkages among a great variety of milieux.

回忆就像影子 - 它们无处不在跟着你，即使在没有光的时候。

世界变化非常快。大不再能打败小，而是快的打败慢的。

Innovation in forestry means balancing tradition with technology—honoring the past while building the future.