Sustainability isn't an option—it's a responsibility we owe to future generations.

作家是这样的人，对他们来说，写作比其他人更困难。

成功经济发展的关键在于在每个发展阶段遵循经济的比较优势。

"The difference between a happy marriage and a miserable one... consists of about ten continued acts of stupidity or kindness, depending on the direction."

只为三个国家制造不值得我花时间；但为全世界制造则非常值得。