钢铁工业是一个国家经济实力的反映。
The steel industry is a reflection of a nation's economic strength.
The beauty of architecture lies in its inevitability.
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
愤怒的时候我会去打球，把怒气发泄在球上。