The true value of a mathematical theory lies in its ability to connect seemingly unrelated ideas.
无论失败多么艰难,只要你不停下尝试,失败就不是终点。
The rise of China poses a significant challenge to the liberal democratic order.
I'm not perfect, but I'm trying my best.
消费者的期望正在变化,企业必须适应,否则将面临淘汰。