Findings question the old adage of "natureredintoothandclaw".
所取得的发现对“大自然是残酷和无情的”的古训提出了疑问。
2
If evolution is survival of the fittest, natureredintoothandclaw, how could animals evolve moral feelings?
如果进化论是讲适者生存,在弱肉强食的自然界,动物怎么能进化出道德情感?
3
Indeed, Darwin's Origin of -species by Means of Natural Selection, -published in 1859, seemed to vindicate Tennyson's adage from 20 years -earlier, of "natureredintoothandclaw".