每个家庭都有自己的秘密，但在某些国家，这些秘密更大、更危险。

Investing in lower-carbon solutions is not just good for the environment, it's good business.

The life of a writer is absolutely solitary. He has to be alone to do his work.

Sustainability should be at the core of every business decision we make today.

政策规则优于自由裁量，因为它们避免了时间不一致性问题。