那些真正有害的突变有消失的趋向，因为有这样突变的人常常不能活足够的时间让它们继续遗传。
Really bad mutations tend to disappear because the people who have them frequently don't live long enough to pass them on.
那些真正有害的突变有消失的趋向，因为有这样突变的人常常不能活足够的时间让它们继续遗传。
Really bad mutations tend to disappear, because the people who have them frequently don't live long enough to pass them on.
只要我们真正活著，时间是不存在的。
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