解释：知道房屋漏雨的人在房屋下，知道政策有失误的人在民间，知道经书错误的人在诸子。

Every day is a new opportunity to change your life.

Sustainability isn't an option; it's a necessity for the coal sector.

The past explains the present - that is the fundamental premise of evolutionary psychology.

"The beauty of literature is that it allows us to live a thousand lives in one."

所有人都有三种生活：公开的、私人的和秘密的。