The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.

数学的真正力量在于它能够揭示宇宙混沌中隐藏的模式和结构。

The city is a living, breathing entity, and architecture must respond to that.

 Instead of complaining about the darkness, light a candle.

经济发展需要稳定的法治环境。