We can work out fairly plausible explanations for such major extinctions and for the continuing fast pace of evolution. However, some evolutionists believe that such explanations stretch Darwinian theory too far.

• 对于这样的绝种问题以及对于生物进化的不断加快步伐问题，我们虽然能够作出相当合理的解释，但是有一些进化论者则认为，这样的解释把达尔文理论展开得太过分了。