The Earth and everything on it, living and nonliving, interact to influence the life we have. 地球和它表面的一切，不管有生命还是无生命的，相互作用来影响我们的生活。
One might then conclude that even though these processes come under viral direction, viruses are simply nonliving parasites of living metabolic systems. 有人可能因此认为，尽管这些活性均来自病毒的指令，但病毒只不过是无生命的寄生体，利用著有生命的代谢系统。
