The joy of mathematics comes from the moments of clarity when complex things become simple.
數(shù)學(xué)的快樂(lè)來(lái)自于復(fù)雜事物變得簡(jiǎn)單的清晰時(shí)刻。
The future of coal lies in balancing tradition with technology.
造紙行業(yè)的未來(lái)在于平衡傳統(tǒng)與尖端技術(shù)。