君子不救人,不是不愿意,而是能力不足。
Technological innovation must go hand in hand with ecological protection, which is the responsibility of our industry.
The Neanderthals are not extinct; they live on in us.
一个科学家的真正价值是由他思想的独创性来衡量的。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.