这是因为病毒性疾病一般发生在病毒的宿主从某个物种跳跃到另一个物种，继而进化以利用新宿主的方式变异之后。
That is because new viral diseases generally happen when a virus mutates in a way that allows it to jump species, and then continues to evolve to exploit its new host.
暗物质被认为是联合进化模式中的主导因素，但仅仅是在一般的，笼统的意义上。
Dark matter is taken into account in the leading co-evolution models, but only in a general, overall sense.
一般认为，答案是肯定的，这只是个神话。归结原因，这与人类的进化有着很大的关系。
For the most part, it would seem the answer is "yes" and the reason is deeply rooted in the evolutionary soil of our species.
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