在地球系统的伟大运作中,自然的有机界和无机界紧密相连。
解释:所谓把粮食积存在取之不尽的粮仓里,就是要努力从事粮食生产。
The ocean connects us all; its challenges require global solutions.
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.