Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.

The library is inhabited by spirits that come out of the pages at night.

Trust is the foundation of any successful team.

Love is the answer, no matter the question.

The best decisions are made when you listen to both data and intuition.

表示论提供了表达许多数论现象的语言。

当富贵利达的人夸说他得到上帝的恩惠时，上帝却羞了。