树种多样性不仅仅是生态学,它是我们地球肺部的风险管理。
The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
"I think the best movies are driven by characters, by people, not by special effects or action sequences."
I don't believe in eternity, but I believe in the trace.
国用过少,则金价低了,金价低则各项事业不好办,故对事业不利。