The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
当现有约束被放松时，经济增长就会发生，这使得个人能够追求以前无法获得的机会。
The happiness of a married man depends on the people he has not married.
Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.
The impact of unions on wages and employment is often misunderstood.
科学是旅程，而非终点。
The moment of explosion is the fusion of art and nature. 爆炸的瞬间是艺术与自然的融合。