"Causal inference requires careful thought about the assumptions underlying your analysis."
海洋不仅仅是一种待开发的资源,更是我们必须为子孙后代保护的脆弱生态系统。
The writer cannot be a mere storyteller; he cannot be a mere teacher; he cannot be a mere entertainer. He must be all of these and more.
My blindness is not a tragedy, but just another way of seeing.
我们钦佩的人的品质,如善良、慷慨、开放、诚实、理解和感受,在我们的系统中是失败的伴随物。而我们厌恶的那些特质,如精明、贪婪、占有欲、卑鄙、自我中心和自私,是成功的特质。