Given enough time, they will coevolve toward a shared destiny.不仅如此，如果时间充足，他们还会共同进化，共享天命。
While it was the first book published describing how genes and culture might coevolve, it had relatively little impact on the further development of DIT.虽然这是出版的第一本说明基因和文化可能共同进化的书，它对双继承理论的进一步发展的影响相对较小。
