Every ton of coal we extract carries equal weight in responsibility.

"Men and women differ in their desires for short-term mating because the reproductive benefits and costs differed for our ancestors."

真实的幸福来自于识别和培养你最根本的优势，并在工作、爱情、娱乐和育儿中每天使用它们。

对我们工作的真正考验在几十年后，当它仍然被喜爱和使用时。

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

外交不仅是国家之间的事务，也涉及到全球问题和全人类的利益。

过去并未死去，它甚至还未过去。