"There should be no question whatsoever as to whether the United States actively supports these essential goals of the Iranian people,".

VOA: standard.2009.10.28

But it's absolutely essential--so the shares only mean something as a relation to their total number of shares.

这是十分必要的,所有股票只有在,和总体股本数量联系起来看时才有意义

耶鲁公开课 - 金融市场课程节选

Here, as elsewhere in Yeats' poetry, it's not essential for you to be able to pursue his occult learning and decode his symbols in order to read his poetry.

这首诗还有他的其他诗里，研究他的神秘主义学习,和解释这些象征对读他的诗,来说不是很重要。

耶鲁公开课 - 现代诗歌课程节选

"I believe that the resolution they have agreed upon is the first step of what has to be an ongoing reconciliation and compromising of political views that can stabilize civilian democracy and the rule of law, both of which are essential to the efforts that the Pakistanis themselves see as so critical - namely preventing extremism and violence from stalking the Pakistani peoples and the country,".

VOA: standard.2009.03.16

In both cases, this becomes part of their self-identity. That's an essential part as my good friend, Linda Colley, who used to teach here and sadly is not here anymore.

在这两个国家中,这点是他们身份认同感中很重要的一部分,如同我的好朋友,琳达·科里,她以前是这里的老师,很遗憾现在不在耶鲁了

耶鲁公开课 - 欧洲文明课程节选