火药不仅是破坏的工具，它也能成为创造的媒介。
生存的唯一方法就是不断前进。
乳制品行业必须发展以满足消费者需求和环境责任。
The only relationship that can make both partners happy is one in which sentimentality has no place and neither partner makes any claim on the life and freedom of the other.
The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.
