树种多样性不仅仅是生态学,它是我们地球肺部的风险管理。
Diversity in tree species isn't just ecology—it's risk management for our planet's lungs.
积极心理学不仅仅是微笑;它是关于什么使生活值得过的科学研究。
反过来,始终反过来:把情况或问题颠倒过来,从反面看。
The more we learn, the more we realize how little we know.