We're still bracketing questions about morality.

我们先不考虑道德问题。

To her right, bracketing another door, stood more empty bookcases, a desk from Caladan and three chairs.

在她的右边，另一扇门的中间，放着更多空书柜、一张卡拉丹的桌子和子。

When the fossil evidence didn't have all the answers, the team used a scientific technique known as phylogenetic bracketing.

当化石证据不能提供所有答案时，该团使用了一种称为系统发育括号法的科学技术。

This is called phylogenetic bracketing -- using the presence of traits across related species to make an educated guess where those traits might occur.

被称为系统发育括号法——利用相关物种中存在的特征来对些特征可能出现的位置进行有根据的猜测。

He places his hands on Alex's thighs, bracketing him with his full attention, and when he looks up into Alex's eyes, his are clear blue and focused.

他手放在亚历克斯的大腿上，全神贯注地包围着他，当他抬头看着亚历克斯的眼睛时，他的眼睛是清澈的蓝色， 专注的。

So without that proof, paleontologists have to rely on inferences, based on closely related animals for which they do have hard evidence, a technique known as phylogenetic bracketing.

因此，如果没有一证据，古生物学家就不得不依赖于他们确实有确凿证据的密切相关的动物的推论，种技术被称为系统发育括号法。