最重要的是拯救生命。

The cost of trying is the lowest.

穷人常常不得不做出比富人更复杂的财务决策。

Profitability and responsibility are not opposites; they are two sides of the same coin.

Natural selection is cruel。

代数几何是研究多项式零点的学科。

人才是创新的根基，必须重视科技人才的培养和引进。