真正的科学进步不是通过简单的事实积累实现的,而是通过理论和模型的不断精炼。
The conversation about coal must move beyond 'pro' or 'anti'—we need solutions, not slogans.
In social networking, user growth is not the goal but a natural result of user satisfaction.
这是一首幽默的打油诗,调侃数学的复杂性。