多线进化论是研究特定文化如何适应特定环境的进化过程。

States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.

Certification schemes are the grammar of responsible forestry—they give structure to our good intentions.

Customer needs are constantly changing, and banks' service models must keep pace with the times.

生命的最大用处是将它用于比生命更长久的事物上。