不辐射

Any of 14 species of songbirds whose adaptations to several ecological niches in the Gal pagos Islands and Cocos Island gave Charles Darwin evidence for his thesis that "species are not immutable."

新大陆燕雀科地雀属、树雀属和莺雀属等三属十四种鸣禽，被隔离在无竞争的加拉帕戈斯群岛和科科斯岛，在几个生态小生境中辐射适应，给达尔文的「物种不是不可改变的」理论提供了证据。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。