Attenborough was no different from other naturalists at the time , he admits .
爱登堡承认，那时候的自己与其他博物学家没什么区别。
The moral naturalists differ over what role reason plays in moral judgments .
道德自然主义者对于理智在道德判断中扮演的角色也有分歧。
Unfortunately , rather than clarify the issue , many naturalists oscillate .
遗憾的是，许多自然主义者只是犹豫不决，而不做任何澄清。
In practice , the contributors are likely to be mainly professional scientists or talented amateur naturalists in some cases the leading experts on a species or group .
