Shopping is arguably the last remaining form of public activity.
无铬是不够的；我们需要无愧于心。
Mental phenomena are best understood in terms of their functions.
我从来对平庸不感兴趣。
我希望我的书是一面镜子，而不是一扇窗户。
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。