只有错误才会回避探究,真理不会。
关于理论最重要的事情是它应该是可测试的。
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。
The city is about intensity, concentration, and diversity.
Entrepreneurship is a marathon without an end. Only those who persist to the end can see the dawn of victory.