你的空气无法流动是因为我。

Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.

衡量一家公司成功的真正标准是它对人类和地球的影响。

利润永远不应以牺牲海洋生物多样性为代价。

理解数学就是理解现实的构造。

"The world is a book, and those who do not travel read only one page."

人的本性是生命的内在规律。

The only way to do great work is to love what you do.

我们都正走向天堂之路，也通往地狱之门。