The best investment advice is often the simplest: diversify, keep costs low, and stay the course.
社会系统是个人与个人之间、群体与群体之间关系的网络。
Law is not a system of rules, but a union of primary and secondary rules.
The best way to predict the future is to create it
林业的创新意味着在生态健康与经济可行性之间取得平衡。