We must accept finite disappointment, but we must never lose infinite hope.
我们必须接受失望,因为它是有限的,但千万不可失去希望,因为它是无穷的。
国家是理性的行为体,它们寻求最大化相对权力,以确保在竞争性的国际体系中生存。
Innovation is the key to sustainable aquaculture. We must constantly seek new methods to protect our oceans while feeding the world.
解析:一心在痛上,便无暇顾及他事。
There is no man, however wise, who has not at some period of his youth said things, or lived in a way the consciousness of which is so unpleasant to him in later life that he would gladly, if he could, expunge it from his memory.