地球上的物种之间,及至物种自身,都是在相对平衡的状态中生存发展的。 这些年人类生存的外环境遭到人为的摧残和破坏,换来了大自然对人类的残酷报复:风、沙、洪、涝、火、震等等的灾害接踵而至;由环境污染引发的摧残人类生命的癌症、艾滋病等疾患,愈来愈猖獗,就连过去已敛迹的天花、霍乱、肺结核等传染病也死灰复燃,卷土重来。 Between the species on Earth, and the species themselves, are in a relatively balanced state of survival and development. In these years mankind survived the outer environment was artificially destroyed and destroyed, in exchange for nature cruel revenge on mankind: wind, sand, floods, floods, fires, shocks and so on the ensuing disasters; caused by environmental pollution The diseases such as cancer and AIDS that devastate human life have become increasingly rampant. Even the contagious diseases such as smallpox, cholera and tuberculosis, which have been sacked by the past, have been resurged and comeback.